APA (7e ed.) Bronvermelding

Não informado. (1989). Adult Learning. American Association for Adult & Continuing Education.

Chicago (17e ed.) Bronvermelding

Não informado. Adult Learning. Washington: American Association for Adult & Continuing Education, 1989.

MLA (8e ed.) Bronvermelding

Não informado. Adult Learning. American Association for Adult & Continuing Education, 1989.

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