APA (7e ed.) Bronvermelding

Não informado. (1952). Adult leadership. Adult Education Association of the United States of America.

Chicago (17e ed.) Bronvermelding

Não informado. Adult Leadership. Washington: Adult Education Association of the United States of America, 1952.

MLA (8e ed.) Bronvermelding

Não informado. Adult Leadership. Adult Education Association of the United States of America, 1952.

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