Shaffer, D. R. (2002). Developmental psychology: Childhood and adolescence (Sixth edition.). Wadsworth Thomson Learning.
Citazione stile Chigago Style (17a edizione)Shaffer, David R. Developmental Psychology: Childhood and Adolescence. Sixth edition. Belmont, CA: Wadsworth Thomson Learning, 2002.
Citatione MLA (9a ed.)Shaffer, David R. Developmental Psychology: Childhood and Adolescence. Sixth edition. Wadsworth Thomson Learning, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.