Citazione Stile APA (7a Edizione)

Richards, J. C. (1994). Interchange: English for international communication. Intro Student`s Book A (1a. ed.). Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Richards, Jack C. Interchange: English for International Communication. Intro Student`s Book A. 1a. ed. Cambridge: Cambridge University Press, 1994.

Citatione MLA (9a ed.)

Richards, Jack C. Interchange: English for International Communication. Intro Student`s Book A. 1a. ed. Cambridge University Press, 1994.