APA (7th ed.) Zitazioa

Shaffer, D. R., & Kipp, K. (2014). Developmental psychology: Childhood and adolescence (9th ed.). Wadsworth, Cengage Learning.

Chicago Style (17th ed.) Zitazioa

Shaffer, David R., eta Katherine Kipp. Developmental Psychology: Childhood and Adolescence. 9th ed. Belmont, CA: Wadsworth, Cengage Learning, 2014.

MLA (9th ed.) Zitazioa

Shaffer, David R., eta Katherine Kipp. Developmental Psychology: Childhood and Adolescence. 9th ed. Wadsworth, Cengage Learning, 2014.