APA Citatie

Heyns, R. W. (1958). The psychology of personal adjustment. Rinehart and winston.

Chicago Style citaat

Heyns, Roger W. The Psychology of Personal Adjustment. United state: Rinehart and winston, 1958.

MLA citatie

Heyns, Roger W. The Psychology of Personal Adjustment. Rinehart and winston, 1958.

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