Cita APA

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

Citación estilo Chicago

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

Cita MLA

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