APA (7e ed.) Bronvermelding

Cole, R. D. (1937). Modern foreign languages and their teaching. Appleton Century Crofts.

Chicago (17e ed.) Bronvermelding

Cole, Robert D. Modern Foreign Languages and Their Teaching. New York: Appleton Century Crofts, 1937.

MLA (9e ed.) Bronvermelding

Cole, Robert D. Modern Foreign Languages and Their Teaching. Appleton Century Crofts, 1937.