APA (7e ed.) Bronvermelding
ebrary, Inc, Wigfield, A., & Eccles, J. S. (2002). Development of achievement motivation. Academic Press.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, Allan Wigfield, en Jacquelynne S. Eccles. Development of Achievement Motivation. San Diego: Academic Press, 2002.
MLA (9e ed.) Bronvermelding
ebrary, Inc, et al. Development of Achievement Motivation. Academic Press, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.