Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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