Cita APA

Richards, J. C. (1991). Interchange: English for international communication : Teacher's manual. New York, US: Cambridge University Press.

Citación estilo Chicago

Richards, Jack C. Interchange: English for International Communication : Teacher's Manual. New York, US: Cambridge University Press, 1991.

Cita MLA

Richards, Jack C. Interchange: English for International Communication : Teacher's Manual. New York, US: Cambridge University Press, 1991.