APA-referens (7:e uppl.)

Papalia, D. E., Olds, S. W., & Feldman, R. D. (2009). Human development (11th ed.). McGraw-Hill Higher Education.

Chicago-referens (17:e uppl.)

Papalia, Diane E., Sally Wendkos Olds, och Ruth Duskin Feldman. Human Development. 11th ed. Boston: McGraw-Hill Higher Education, 2009.

MLA-referens (9:e uppl.)

Papalia, Diane E., et al. Human Development. 11th ed. McGraw-Hill Higher Education, 2009.