Shaffer, D. R., & Kipp, K. (2014). Developmental psychology: Childhood and adolescence (9th ed.). Wadsworth Cengage Learning.
Citace podle Chicago (17th ed.)Shaffer, David Reed, a Katherine Kipp. Developmental Psychology: Childhood and Adolescence. 9th ed. Belmont, Calif: Wadsworth Cengage Learning, 2014.
Citace podle MLA (9th ed.)Shaffer, David Reed, a Katherine Kipp. Developmental Psychology: Childhood and Adolescence. 9th ed. Wadsworth Cengage Learning, 2014.
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