Cita APA

Richards, J. C. (1990). Interchange: English for international communication. Cambridge: Cambridge University Press.

Chicago Style Citation

Richards, Jack C. Interchange: English for International Communication. Cambridge: Cambridge University Press, 1990.

Cita MLA

Richards, Jack C. Interchange: English for International Communication. Cambridge: Cambridge University Press, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.