APA Citatie

Havighurst, R. J. (1952). Developmental tasks and education (2nd ed.).

Chicago Style citaat

Havighurst, Robert J. Developmental Tasks and Education. 2nd ed. 1952.

MLA citatie

Havighurst, Robert J. Developmental Tasks and Education. 2nd ed. 1952.

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