APA (7e ed.) Bronvermelding

Não informado. (1991). Adult Basic Education. Commission on Adult Basic Education.

Chicago (17e ed.) Bronvermelding

Não informado. Adult Basic Education. Atlanta, Ga: Commission on Adult Basic Education, 1991.

MLA (8e ed.) Bronvermelding

Não informado. Adult Basic Education. Commission on Adult Basic Education, 1991.

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