APA (7e ed.) Bronvermelding
Perry, W. G. (1970). Forms of intellectual and ethical development in the college years: A scheme. Holt, Rinehart and Winston.
Chicago (17e ed.) Bronvermelding
Perry, William G. Forms of Intellectual and Ethical Development in the College Years: A Scheme. San Francisco, Calif.: Holt, Rinehart and Winston, 1970.
MLA (9e ed.) Bronvermelding
Perry, William G. Forms of Intellectual and Ethical Development in the College Years: A Scheme. Holt, Rinehart and Winston, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.