Citazione Stile APA (7a Edizione)

Richards, J. C. (1991). Interchange 2: Student's Book. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Richards, Jack C. Interchange 2: Student's Book. Cambridge, Reino Unido: Cambridge University Press, 1991.

Citatione MLA (9a ed.)

Richards, Jack C. Interchange 2: Student's Book. Cambridge University Press, 1991.