Citazione Stile APA (7a Edizione)

Richards, J. C. (1995). Interchange: English for international communication. Intro Workbook. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Richards, Jack C. Interchange: English for International Communication. Intro Workbook. Nueva York: Cambridge University Press, 1995.

Citatione MLA (9a ed.)

Richards, Jack C. Interchange: English for International Communication. Intro Workbook. Cambridge University Press, 1995.