Cita APA

Richards, J. C., Hull, J., & Proctor, S. (1997). New interchange. English for international communication: Student's book 1 A. Cambridge: Cambridge University press.

Citación estilo Chicago

Richards, Jack C., Jonathan Hull, y Susan Proctor. New Interchange. English for International Communication: Student's Book 1 A. Cambridge: Cambridge University press, 1997.

Cita MLA

Richards, Jack C., Jonathan Hull, y Susan Proctor. New Interchange. English for International Communication: Student's Book 1 A. Cambridge: Cambridge University press, 1997.