Cita APA

Wright, A. L., & McGillivray, J. H. (1971). Let's learn English: Beginning course (4. edition.). New York, New York: American Book.

Citación estilo Chicago

Wright, Audrey L., y James H. McGillivray. Let's Learn English: Beginning Course. 4. edition. New York, New York: American Book, 1971.

Cita MLA

Wright, Audrey L., y James H. McGillivray. Let's Learn English: Beginning Course. 4. edition. New York, New York: American Book, 1971.