Cita APA

Richards, J. C., & Jack C. Richards. (2004). New interchange: English for international communication. Cambridge: Cambridge University Press.

Citación estilo Chicago

Richards, Jack C., y Jack C. Richards. New Interchange: English for International Communication. Cambridge: Cambridge University Press, 2004.

Cita MLA

Richards, Jack C., y Jack C. Richards. New Interchange: English for International Communication. Cambridge: Cambridge University Press, 2004.