APA (7e ed.) Bronvermelding

Cavanaugh, J. C., & Blanchard-Fields, F. (2011). Adult development and aging (6th ed.). Wadsworth/Cengage Learning.

Chicago (17e ed.) Bronvermelding

Cavanaugh, John C., en Fredda Blanchard-Fields. Adult Development and Aging. 6th ed. Australia: Wadsworth/Cengage Learning, 2011.

MLA (9e ed.) Bronvermelding

Cavanaugh, John C., en Fredda Blanchard-Fields. Adult Development and Aging. 6th ed. Wadsworth/Cengage Learning, 2011.