Cita APA

Hewings, M., & Goldstein, S. (1999). Pronunciation plus: Practice through interaction. New York, N.Y.: Cambridge University Press.

Citación estilo Chicago

Hewings, Martin, y Sharon Goldstein. Pronunciation Plus: Practice Through Interaction. New York, N.Y.: Cambridge University Press, 1999.

Cita MLA

Hewings, Martin, y Sharon Goldstein. Pronunciation Plus: Practice Through Interaction. New York, N.Y.: Cambridge University Press, 1999.