APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

Shaffer, David R., en Katherine Kipp. Developmental Psychology: Childhood and Adolescence. 9th edition. Australia: Wadsworth Cengage Learning, 2014.

MLA (9e ed.) Bronvermelding

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