APA (7e ed.) Bronvermelding

Book, W. F. (1932). Economy and technique of learning. D. C. Heath.

Chicago (17e ed.) Bronvermelding

Book, William Frederick. Economy and Technique of Learning. Boston: D. C. Heath, 1932.

MLA (8e ed.) Bronvermelding

Book, William Frederick. Economy and Technique of Learning. D. C. Heath, 1932.

Let op: Deze citaties zijn niet altijd 100% accuraat.