Cita APA

Hewings, M. (1999). Pronunciation plus: Practice through interaction. North American English. Teacher's Manual. Cambridge University Press.

Citación estilo Chicago

Hewings, Martin. Pronunciation Plus: Practice Through Interaction. North American English. Teacher's Manual. New York, USA: Cambridge University Press, 1999.

Cita MLA

Hewings, Martin. Pronunciation Plus: Practice Through Interaction. North American English. Teacher's Manual. Cambridge University Press, 1999.