APA (7e ed.) Bronvermelding

Petri, H. L. (1991). Motivation: Theory, research and applications (3rd ed.). Wadsworth.

Chicago (17e ed.) Bronvermelding

Petri, Herbert L. Motivation: Theory, Research and Applications. 3rd ed. Belmont, California: Wadsworth, 1991.

MLA (9e ed.) Bronvermelding

Petri, Herbert L. Motivation: Theory, Research and Applications. 3rd ed. Wadsworth, 1991.

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