APA (7e ed.) Bronvermelding

Libbish, B. e. (1964). Advances in the teaching of modern languages. Pergamon Press.

Chicago (17e ed.) Bronvermelding

Libbish, B. ed. Advances in the Teaching of Modern Languages. Oxford: Pergamon Press, 1964.

MLA (9e ed.) Bronvermelding

Libbish, B. ed. Advances in the Teaching of Modern Languages. Pergamon Press, 1964.