Shaffer, D. R., & Kipp, K. (2014). Developmental psychology: Childhood and adolescence (9th edition.). Wadsworth Cengage Learning.
Chicago (17e ed.) BronvermeldingShaffer, David R., en Katherine Kipp. Developmental Psychology: Childhood and Adolescence. 9th edition. Australia: Wadsworth Cengage Learning, 2014.
MLA (9e ed.) BronvermeldingShaffer, David R., en Katherine Kipp. Developmental Psychology: Childhood and Adolescence. 9th edition. Wadsworth Cengage Learning, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.