Citazione Stile APA (7a Edizione)

Richards, J. C. (1994). Interchange: English for international communication. Cambridge University.

Citazione stile Chigago Style (17a edizione)

Richards, Jack C. Interchange: English for International Communication. Cambridge: Cambridge University, 1994.

Citatione MLA (9a ed.)

Richards, Jack C. Interchange: English for International Communication. Cambridge University, 1994.