1. Aknin L, Barrington-Luigh C, Dunn E Helliwell J, Burns J, Biswas-Diener R, et al. (2013) Prosocial spending and well-being: Cross-cultural evidence for a psychological universal. Journal of Personality and Social Psychology 104(4):635–652
2. Anglin J (2002) Pain, normality and the struggle for congruence: Reinterpreting residential care for children and youth. Haworth Press, Binghamton, NY
3. APA (2013) Diagnostic and statistical manual of mental disorder (5th ed) American Psychiatric Association, Washington DC
4. Boehm C (2012) Moral origins: The evolution of virtue, altruism, and shame. Basic Books, New York, NY
5. Bolin I (2006) Growing up in a culture of respect: Child-rearing in highland Peru. University of Texas Press, Austin, TX