Eisenberg, N., Fabes, R.A., & Spinrad, T.L. (2006). “Prosocial development”. En N. Eisenberg, W. Damon, & R. M. Lerner. Handbook of Child Psychology. Vol. 3: Social, Emotional, and Personality Development, 646-718. 6th ed. Hoboken, NJ, EUA: John Wiley & Sons.