APA (7e ed.) Bronvermelding

Não informado. (1990). New Directions for Adult and Continuing Education. Jessey Bass Publishers.

Chicago (17e ed.) Bronvermelding

Não informado. New Directions for Adult and Continuing Education. San Francisco, Calif: Jessey Bass Publishers, 1990.

MLA (8e ed.) Bronvermelding

Não informado. New Directions for Adult and Continuing Education. Jessey Bass Publishers, 1990.

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