Παραπομπή σε μορφή APA (7η εκδ.)

Fries, C. C. (1945). Teaching and learning English as a foreign language. University of Michigan Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Fries, Charles Carpenter. Teaching and Learning English as a Foreign Language. Ann Arbor, MI: University of Michigan Press, 1945.

Παραπομπή σε μορφή MLA (9th εκδ.)

Fries, Charles Carpenter. Teaching and Learning English as a Foreign Language. University of Michigan Press, 1945.