Cita APA

Wright, A. L., Barrett, R. P., & Katranides, A. (1973). Let's learn english: Intermediate course. New York: American Book Company.

Citación estilo Chicago

Wright, Audrey L., Ralph P. Barrett, y Aristotle Katranides. Let's Learn English: Intermediate Course. New York: American Book Company, 1973.

Cita MLA

Wright, Audrey L., Ralph P. Barrett, y Aristotle Katranides. Let's Learn English: Intermediate Course. New York: American Book Company, 1973.