Azañedo, C. M., Fernández-Abascal, E. G., & Barraca, J. (2014). Character strengths in Spain: Validation of the Values in Action Inventory of Strengths (VIA-IS) in a Spanish sample. Clínica y Salud, 25(2), 123-130. doi: http://dx.doi.org/10.1016/j.clysa.2014.06.002
Bachelor, A. (2013). Clients' and Therapists' Views of the Therapeutic Alliance: Similarities, Differences and Relationship to Therapy Outcome. Clinical Psychology & Psychotherapy, 20(2), 118-135. doi: 10.1002/cpp.792
Brinkmann, K., & Franzen, J. (2015). Depression and Self-Regulation: A Motivational Analysis and Insights from Effort-Related Cardiovascular Reactivity. In G. H. E. Gendolla, M. Tops & S. L. Koole (Eds.), Handbook of Biobehavioral Approaches to Self-Regulation (pp. 333-347). New York, NY: Springer New York.
Cisler, J. M., Olatunji, B. O., Feldner, M. T., & Forsyth, J. P. (2010). Emotion Regulation and the Anxiety Disorders: An Integrative Review. Journal of psychopathology and behavioral assessment, 32(1), 68-82. doi: 10.1007/s10862-009-9161-1
Clemence, A. J., Hilsenroth, M. J., Ackerman, S. J., Strassle, C. G., & Handler, L. (2005). Facets of the therapeutic alliance and perceived progress in psychotherapy: relationship between patient and therapist perspectives. Clinical Psychology & Psychotherapy, 12(6), 443-454. doi: 10.1002/cpp.467
Cosentino, A. C. (2009). Evaluación de las Virtudes y Fortalezas Humanas en Población de Habla Hispana. . Psicodebate, 10, 53-71. 
Cosentino, A. C., & Castro Solano, A. (2012). Character Strengths: A Study of Argentinean Soldiers. The Spanish Journal of Psychology, 15(1), 199-215. doi: 10.5209/rev_SJOP.2012.v15.n1.37310
Chaves, C., Lopez-Gomez, I., Hervas, G., & Vazquez, C. (2016). A Comparative Study on the Efficacy of a Positive Psychology Intervention and a Cognitive Behavioral Therapy for Clinical Depression. [journal article]. Cognitive Therapy and Research, 1-17. doi: 10.1007/s10608-016-9778-9
Cheavens, J. S., Feldman, D. B., Gum, A., Michael, S. T., & Snyder, C. R. (2006). Hope therapy in a community sample: A pilot investigation. [Journal; Peer Reviewed Journal]. Social Indicators Research, 77(1), 61-78. 
Escalante, C., & Leiderman, E. (2008). Prevalencia de tratamiento psicoterapéutico en los habitantes de la ciudad de Buenos Aires [Prevalence of psychotherapeutic treatment in the inhabitants of the city of Buenos Aires]. ERTE, 261. 
Fava, G. A. (1999). Well-being therapy: Conceptual and technical issues. Psychotherapy and Psycosomatics, 68, 171-179. 
Gilman, R., Dooley, J., & Florell, D. (2006). Relative Levels of Hope and Their Relationship With Academic and Psychological Indicators Among Adolescents. Journal of Social and Clinical Psychology, 25(2), 166-178. doi: 10.1521/jscp.2006.25.2.166
Gilmour, H. (2014). Positive mental health and mental illness. Health reports, 25(9), 3-9. 
Hofmann, S. G., Asmundson, G. J. G., & Beck, A. T. (2013). The Science of Cognitive Therapy. Behavior Therapy, 44(2), 199-212. doi: http://dx.doi.org/10.1016/j.beth.2009.01.007
Huta, V., & Hawley, L. (2010). Psychological Strengths and Cognitive Vulnerabilities: Are They Two Ends of the Same Continuum or Do They Have Independent Relationships with Well-being and Ill-being? [journal article]. Journal of Happiness Studies, 11(1), 71-93. doi: 10.1007/s10902-008-9123-4
Johnson, J., & Wood, A. M. (2016). Integrating positive and clinical psychology: Viewing human functioning as continua from positive to negative can benefit clinical assessment, interventions and understandings of resilience. Cognitive Therapy and Research, 1-15. 
Joseph, S., & Wood, A. (2010). Assessment of positive functioning in clinical psychology: Theoretical and practical issues. Clinical Psychology Review, 30(7), 830-838. doi: http://dx.doi.org/10.1016/j.cpr.2010.01.002
Keyes, C. L. M. (2005). Mental illness and/or mental health? Investigating axioms of the complete state model of health. Journal of consulting and clinical psychology, 73(3), 539-548. doi: 10.1037/0022-006X.73.3.539
Keyes, C. L. M. (2007). Promoting and protecting mental health as flourishing: a complementary strategy for improving national mental health. The American psychologist, 62(2), 95-108. doi: 10.1037/0003-066X.62.2.95
Keyes, C. L. M., Fredrickson, B. L., & Park, N. (2012). Positive Psychology and the Quality of Life. In K. C. Land, A. C. Michalos & M. J. Sirgy (Eds.), Handbook of Social Indicators and Quality of Life Research (pp. 99-112). Dordrecht: Springer Netherlands.
Kleiman, E. M., Adams, L. M., Kashdan, T. B., & Riskind, J. H. (2013). Grateful individuals are not suicidal: Buffering risks associated with hopelessness and depressive symptoms. Personality and Individual Differences, 55(5), 595-599. doi: http://dx.doi.org/10.1016/j.paid.2013.05.002
Laska, K. M., Gurman, A. S., & Wampold, B. E. (2014). Expanding the lens of evidence-based practice in psychotherapy: a common factors perspective. Psychotherapy (Chicago, Ill.), 51(4), 467-481. doi: 10.1037/a0034332
Leichsenring, F. (2004). Randomized controlled versus naturalistic studies: A new research agenda. Bulletin of the Menninger Clinic, 68(2), 137-151. doi: 10.1521/bumc.68.2.137.35952
Lim, Y.-J., Ko, Y.-G., Shin, H.-C., & Cho, Y. (2013). Prevalence and Correlates of Complete Mental Health in the South Korean Adult Population. In C. L. M. Keyes (Ed.), Mental Well-Being (pp. 91-109): Springer Netherlands.
Macdonald, C., Bore, M., & Munro, D. (2008). Values in action scale and the Big 5: An empirical indication of structure. Journal of Research in Personality, 42(4), 787-799. doi: http://dx.doi.org/10.1016/j.jrp.2007.10.003
Meyer, G. J., Finn, S. E., Eyde, L. D., Kay, G. G., Moreland, K. L., Dies, R. R., . . . Reed, G. M. (2001). Psychological testing and psychological assessment: A review of evidence and issues. American psychologist, 56(2), 128. 
Orcutt, H. K. (2006). The prospective relationship of interpersonal forgiveness and psychological distress symptoms among college women. Journal of Counseling Psychology, 53(3), 350-361. doi: 10.1037/0022-0167.53.3.350
Park, N., & Peterson, C. (2008). Positive Psychology and Character Strengths:Application to Strengths-Based School Counseling. Professional School Counseling, 12(2), 85-92. doi: 10.5330/PSC.n.2010-12.85
Park, N., & Peterson, C. (2009). Character Strengths: Research and Practice Journal of College and Character (Vol. 10, pp. np).
Peterson, C. (2006). The Values in Action (VIA) Classification of Strengths. In M. C. I. S. Csikszentmihalyi (Ed.), A life worth living: Contributions to positive psychology (pp. 29-48). New York, NY: Oxford University Press.
Peterson, C., Park, N., & Seligman, M. E. P. (2006). Greater strengths of character and recovery from illness. The Journal of Positive Psychology, 1(1), 17-26. doi: 10.1080/17439760500372739
Peterson, C., & Seligman, M. E. P. (2004). Character strengths and virtues: A handbook and classification. Washington, DC: American Psychological Association.
Petrillo, G., Capone, V., Caso, D., & Keyes, C. L. M. (2015). The Mental Health Continuum–Short Form (MHC–SF) as a Measure of Well-Being in the Italian Context. Social Indicators Research, 121(1), 291-312. doi: 10.1007/s11205-014-0629-3
Ruch, W., Proyer, R. T., Harzer, C., Park, N., Peterson, C., & Seligman, M. E. P. (2010). Values in Action Inventory of Strengths (VIA-IS). Journal of Individual Differences, 31(3), 138-149. doi: 10.1027/1614-0001/a000022
Seligman, M. E. P. (2002). Positive psychology, positive prevention, and positive therapy. In C. R. Snyder & S. J. Lopez (Eds.), Handbook of positive psychology (pp. 3-9). New York, NY: Oxford University Press.
Seligman, M. E. P. (2015). Chris Peterson’s unfinished masterwork: The real mental illnesses. The Journal of Positive Psychology, 10(1), 3-6. doi: 10.1080/17439760.2014.888582
Seligman, M. E. P., Rashid, T., & Parks, A. C. (2006). Positive Psychotherapy. American Psychologist, 61(8), 774-788. doi: 10.1037/0003-066X.61.8.774 
Seligman, M. E. P., Steen, T. A., Park, N., & Peterson, C. (2005). Positive psychology progress: empirical validation of interventions. The American psychologist, 60(5), 410-421. doi: 10.1037/0003-066X.60.5.410
Smith, T. B., McCullough, M. E., & Poll, J. (2003). Religiousness and depression: evidence for a main effect and the moderating influence of stressful life events. Psychological bulletin, 129(4), 614. 
Theran, S. A. (2010). Authenticity with authority figures and peers: Girls’ friendships, self-esteem, and depressive symptomatology. Journal of Social and Personal Relationships, 27(4), 519-534. doi: doi:10.1177/0265407510363429
Wood, A. M., & Tarrier, N. (2010). Positive Clinical Psychology: A new vision and strategy for integrated research and practice. Clinical Psychology Review, 30(7), 819-829. doi: http://dx.doi.org/10.1016/j.cpr.2010.06.003
Yin, K., He, J., & Fu, Y. (2013). Positive Mental Health: Measurement, Prevalence, and Correlates in a Chinese Cultural Context. In C. L. M. Keyes (Ed.), Mental Well-Being (pp. 111-132): Springer Netherlands.