APA (7e ed.) Bronvermelding

Não informado. (1969). Education and Training. ABE Publications.

Chicago (17e ed.) Bronvermelding

Não informado. Education and Training. London: ABE Publications, 1969.

MLA (8e ed.) Bronvermelding

Não informado. Education and Training. ABE Publications, 1969.

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