APA (7e ed.) Bronvermelding
Shaffer, D. R. (2009). Social and personality development (6th ed.). Wadsworth.
Chicago (17e ed.) Bronvermelding
Shaffer, David R. Social and Personality Development. 6th ed. Belmont, CA: Wadsworth, 2009.
MLA (9e ed.) Bronvermelding
Shaffer, David R. Social and Personality Development. 6th ed. Wadsworth, 2009.
Let op: Deze citaties zijn niet altijd 100% accuraat.