Allport, G. W. (1954). The nature of prejudice. Reading, MA: Addison- Wesley.
Álvaro, J.L., Oliveira, T.M., Torres, A.R.R., Pereira, C., Garrido, A., & Camino, L. (2015). The role of values in attitudes toward violence: discrimination against Moroccans and Romanian Gypsies in Spain. Spanish Journal of Psychology, 18 e-X, 1-12. doi: 10.1017/sjp.2015.65.
Balliet D., Wu J., De Dreu C. K. W. (2014). Ingroup favoritism in cooperation: a meta-analysis. Psychol. Bull. 140, 1556–1581. 10.1037/a0037737
Buttelmann, D. & Bohm, R. (2014). The ontogeny of the motivation that underlies in-group bias. Psychological Science, 25 (4), 921-927. doi: 10.1177/0956797613516896802.
Brewer, M. B. (2016). Intergroup Discrimination: Ingroup love or outgroup hate?. In C.G. Sibley & F.K. Barlow (Orgs.). The Cambridge Handbook of the Psychology of Prejudice, (pp. 90-110).Cambridge: Cambridge University Press.
Camino L., Àlvaro J. L., Torres A. R. R.; Garrido A., Morais T., Almeida J. (2013). Explaining social discrimination: Racism in Brazil and Xenophobia in Spain. The Spanish Journal of Psychology, 16, 1–13. doi: 10.1017/sjp.2013.65.
Cea D’Ancona, M.A. & Valles, M.M.S. (2014). Evolución del racismo, la xenofobia y otras formas conexas de intolerância en España. Madrid: OBERAXE; Ministerio de Trabajo e Inmigración.
Checa J. C., & Arjona A. (2013). Los inmigrantes vistos por los españoles: Entre la amenaza y la competência (1997–2007). Revista de Estudios Sociales, 47, 118–132. doi: 10.7440/res47.2013.09.
Dasgupta, N. Desteno, D., Williams, L.A., & Hunsinger, M. (2009). Fanning the flames of prejudice: The influence of specific incidental emotions on implicit prejudice. Emotion, 9 (4): 585-591. doi: 10.1037/a0015961.
Davidov, E., Schmidt, P., & Schwartz, S. H. (2008). Bringing values back in: The adequacy of the European social survey to measure values in 20 countries. Public Opinion Quarterly, 72, 420–445.
Devine, P. G. (1989). Stereotypes and Prejudice: Their automatic and controlled components. Journal of Personality and Social Psychology, 56 (1), 5-18. 
Dion K. L. (1973). Cohesiveness as a determinant of ingroup–outgroup bias. J. Pers. Soc. Psychol. 28, 163–171 10.1037/h0035725
Doosje, B., Zebel, S., Scheermeijer, M., & Mathyi, P. (2007). Attributions of Responsibility for Terrorist Attacks: The Role of Group Membership and Identification. International Journal of Conflict and Violence, 1, 127-141.
Doosje, B., Zimmermann, A., Küpper, B., Zick, A., & Meertens, R. (2009). Terrorist threat and perceived Islamic support for terrorist attacks as predictors of personal and institutional out-groups discrimination and support for anti-immigration policies- evidence from 9 European countries. Revue international de psychologie sociale, 22, 203-233. ISSN 0992-986X.
Dovidio, J.F., Hewstone, M., Glick, P., & Mess, V.M. (2010). Prejudice, stereotyping and discrimination: Theoretical and empirical overview. In, J.F. Dovidio, M. Hewstone, P.Glick & V. M. Esses (Eds.), The SAGE Handbook of Prejudice, Stereotyping and Discrimination, (pp.3-28). New York: SAGE.
Ekman, M. (2015). Online Islamophobia and politics of fear: Manufacturing the green scare. Ethnic and racial studies, 38 (11), 1986-2002. doi: 10.1080/01419870.2015.1021264.
Fazio, R.H., Jackson, J.R., Dunton, B.C., & Williams, C.J. (1995). Variability in automatic activation as an unobtrusive measure of racial attitudes: A bona fide a pipeline?. Journal of Personality and Social Psychology, 69 (6), 1013-1027.
Feather, N. T., & McKee, I. R. (2008). Values and prejudice: Predictors of attitudes towards Australian Aborigines. Australian Journal of Psychology, 60 (2), 80-90.
Gaertner, S.L., & Dovidio, J.F. (1986). The aversive form of racism. In J.F. Dovidio & S.L. Gaertner (Orgs.), Prejudice, discrimination and racism (pp. 61-89). Orlando: Academic.
Gouveia, V.V., Athayde, R. A. A., Soares, A. K. S., Araújo, R. C. R., de Andrade, J. M. (2011). Valores e motivações para responder sem preconceito frente a homossexuais. Psicologia em Estudo, 17(2), 215-225.
Greven, T. (2016). The rise of right-wing populism in Europe and United States: A comparative perspective. Friederich Ebert Stiftung. Disponível em http://www.fesdc.org/fileadmin/user_upload/publications/RightwingPopulism.pdf 
Greenwald, A. G., McGhee, D. E., & Schwartz, J. K. L. (1998). Measuring individual differences in implicit cognition: The Implicit Association Test. Journal of Personality and Social Psychology, 74, 1464–1480. doi:10.1037/0022-3514.74.6.1464
Gaertner, S. L., & Bickman, L. (1971). Effects of race on the elicitation of helping behavior: The wrong number technique. Journal of Personality and Social Psychology, 20, 218–222. doi:10.1037/h0031681.
Greene, J.D., Nystrom, L.E., Engell, A.D., Darley, J.M., & Cohen, J.D. 2004). The neural bases of cognitive conflict and control in moral judgment. Neuron, 44, 389–400.
González, K., Verkuyten, M., Weesie, J., & Poppe, E. (2008). Prejudice towards Muslims in The Netherlands: Testing integrated threat theory. British Journal of Social Psychology, 47(4), 667. DOI: 10.1348/014466608X284443
Greenwald, A.G. & Pettigrew, T.F. (2014). With malice toward none and charity for some: Ingroup Favoritism Enables Discrimination. American Psychologist, 69 (7), 669-684. Doi : 10.1037/a0036056.
Haidt, J. (2001). The emotional dog and its rational tail: A social intuitionist approach to moral judgment. Psychological Review, 108, 814–834.
Halabi, S., Statman, Y., & Dovidio, J. F. (2015). Attributions of responsibility and punishment for ingroup and outgroup members: The role of just world beliefs. Group Processes & Intergroup Relations, 18, 104-115.
Hauser, M., Cushman, F., Young, L., Jin, R., & Mikhail, J. (2007). A dissociation between moral judgments and justifications. Mind & Language, 22, 1–21.
Heath, A., Richards, L. (2016). European Social Survey 2016: Technical report. London: Centre for Comparative Social Surveys.
Imhoff, R. & Recker, J. (2012). Differentiating Islamophobia: Introducing a new scale to measure islamoprejudice and secular islam critique. Political Psychology, 33 (6), 811- 824. doi: 10.1111/j.1467-9221.2012.00911.x
Ito, T.A., Friedman, N.M., Bartholow, B.D., Correll, J., Loersch, C., Amtamirano, L.J., & Miyake, A. (2015). Toward a comprehensive understanding of executive cognitive function in implicit racial bias. Journal of Personality and Social Psychology, 108 (2), 187-218. doi: 10.1037/a0038557.
Jost, J.T., Napier, J.L., Thorisdottir, H., Gosling, S.D., Palfai, T.P., & Ostafin, B. (2007). Are needs to manage uncertainty and threat associated with political conservatism or ideological extremity? Personality and Social Psychology Bulletin, 33 (7), 989-1007.
Katz, I., & Hass, R.G. (1988). Racial ambivalence and American value conflict: Correlational and priming studies of dual cognitive structures. Journal of Personality and Social Psychology, 33, 1-27.
Leeuwen, E. V., Ashton-James, C., & Hamaker, R. (2014). Pain reduces discrimination in helping. European Journal of Social Psychology, 44 (6), 602-611. doi: 10.1002/ejsp.2045.
Lilleoja, L., Dobewall, H., Aavik, T., Strack, M., & Verkasalo, M. (2016). Measurement equivalence of Schwartz's refined value structure across countries and modes of data collection: New evidence from Estonia, Finland, and Ethiopia. Personality and Individual Differences, 102, 204-210. doi:10.1016/j.paid.2016.07.009
López-Rodríguez, L., Cuadrado, I., & Navas, M. (2013). Aplicación extendida del Modelo del Contenido de los Estereotipos (MCE) hacia tres grupos de imigrantes en España. Estudios de Psicología, 34(2), 197-208. ISSN: 0210-9395.
Maio, G.R. (2010). Mental representation of social values. In M. P. Zanna (Ed.), Advances in experimental social psychology (Vol. 42, pp. 1-43). San Diego, CA: Academic Press.
Moore, A.B., Clark, B.A., & Kane, M.J. (2008). Who shalt not kill? Individual differences in working memory capacity, executive control, and moral judgment. Association for Psychologial Science, 19 (6), 549- 557.
Navas, M. S., Cuadrado, I. & López-Rodríguez, L. (2012). Escala de Percepción de Amenaza Exogrupal (EPAE): fiabilidad y evidencias de validez. Psicothema, 24, 477-482. ISSN 0214 – 9915.
Onranet, E. & Van Hiel, A. (2013). When threat to society becomes a threat to oneself: Implications for right-wing attitudes and ethnic prejudice. International Journal of Psychology, 48 (1), 25-34. doi: 10.1080/00207594.2012.701747.
Pettigrew, T. F., & Meertens, R. (1995). Subtle and blatant prejudice in Western Europe. European Journal of Social Psychology, 25, 57–75. doi:10.1002/ejsp.2420250106
Platow, M.J., McClintock, C.G., & Lierbrand, W.B.G. (1990). Predicting intergroup fairness and ingroup bias in the minimal group paradigm. European Journal of Social Psychology, 20 (3), 221-239. doi: 10.1002/ejsp.2420200304.
Portes, A. & Rumbaut, R.G. (2010). América Inmigrante. Barcelona: Anthropos Editorial.
Ramos, A., & Vala, J. (2011). Human Values and Opposition Towards Immigration in Europe. Tese de Doutorado, Instituto de Ciências Sociais – Universidade de Lisboa.
Saroglou, V., Lamkaddem, B., Van Pachterbeke, M., & Buxant, C. (2009). Host society’s dislike of the Islamic veil: The role of subtle prejudice, values and religion. International Journal of Intercultural Relations, 33, 419-428.
Schneider, S.K., Northcraft, G.B. (1999).Three Social Dilemmas of Workforce Diversity in Organizations: A Social Identity Perspective. Human Relations 52, 1445–1467. doi:10.1023/A:1016976817911
Schwartz, S. H. (1992). Universals in the content and structure of values: Theoretical advances and empirical tests in 20 countries. In M. P. Zanna (Ed.), Advances in experimental social psychology (Vol. 25, pp. 1 – 65). Orlando, FL: Academic Press.
Schwartz S. H., & Bilsky W. (1987). Toward a universal psychological structure of human values. Journal of Personality and Social Psychology, 53, 550–562. http://dx.
doi.org/10.1037/0022-3514.53.3.550
Schwartz ,S.H., & Butenko, T. (2014). Values and behavior: Validating the refined value theory in Russia. European Journal of Social Psychology, 44, 799-813.
Schwartz, S. H., Cieciuch, J., Vecchione, M., Davidov, E., Fischer, R., Beierlein, C., … Konty, M. (2012). Refining the theory of basic individual values. Journal of Personality and Social Psychology, 103, 663–688. 
Tajfel, H., Billig, M. G., Bundy, R. P., & Flament, C. (1971). Social categorization and intergroup behaviour. European Journal of Social Psychology, 1, 149–178. doi:10.1002/ejsp.2420010202
Vala, J., Brito, R., & Lopes, D. (1999). O racismo flagrante e o racismo sutil em Portugal. In J. Vala (Org.), Novos racismos: Perspectivas comparativas (pp.31-60). Lisboa: Celta.
Vauclair, C.M., Hanke, K., Fischer, R., & Fontaine, J. (2011). The structure of human values at the cultural level: A meta-analytical replication of Schwartz’s value orientations using the Rokeach Value Survey. Journal of Cross-Cultural Psychology, 42 (2), 186-205.