Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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