APA (7e ed.) Bronvermelding

Não informado. (1968). Language Teaching Abstracts. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Não informado. Language Teaching Abstracts. London: Cambridge University Press, 1968.

MLA (8e ed.) Bronvermelding

Não informado. Language Teaching Abstracts. Cambridge University Press, 1968.

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