APA (7e ed.) Bronvermelding
Knudsen, R. B. (1976). New models for creative giving. Association press.
Chicago (17e ed.) Bronvermelding
Knudsen, Raymond B. New Models for Creative Giving. New York: Association press, 1976.
MLA (9e ed.) Bronvermelding
Knudsen, Raymond B. New Models for Creative Giving. Association press, 1976.
Let op: Deze citaties zijn niet altijd 100% accuraat.