Shaffer, D. R. (2002). Developmental psychology: Childhood and adolescence (Sixth edition.). Wadsworth Thomson Learning.
Chicago-referens (17:e uppl.)Shaffer, David R. Developmental Psychology: Childhood and Adolescence. Sixth edition. Belmont, CA: Wadsworth Thomson Learning, 2002.
MLA-referens (9:e uppl.)Shaffer, David R. Developmental Psychology: Childhood and Adolescence. Sixth edition. Wadsworth Thomson Learning, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.