Golombok, Susan & Fivush, Robyn: Gender development, 1994. New York: Cambridge University Press. Kap. 1-7.
Kroger, Jane: Identity in adolescence: the balance between self and other, 2004. Hove: Routledge. 3rd ed, Kap. 1-2, 4-7.
A.C Bohart og D.J Stipek (eds.): Constructive & destructive behavior: Implications for family, school & society, 2001. Washington DC: the American Psychological Association. Kap. 1-2, 4-5, 7-9, 11 og 17.
John C. Gibbs: Moral development & reality: Beyond the Theories of Kohlberg and Hoffmann, 2003. California:Sage Publications. Kap. 3, 4, 5 og 6.
Kompendium:
W.M.Kurtines og J.L. Gewirtz: Moral development: An introduction, 1995. London: Allyn & Bacon. Kap. 7-8, 15 og 19.
Lapsley, D.K og Narvaez, D: Moral development, self and identity, 2004. Mahwah, New Jersey: Lawrence Erlbaum. Kap. 2, 5 og 14.