Richards, J. C., Hull, J., & Proctor, S. (2003). New interchange: English for international communication. Cambridge University Press.
Chicago-čujuhus (17. p.)Richards, Jack C., Jonathan Hull, juo Susan Proctor. New Interchange: English for International Communication. Cambridge: Cambridge University Press, 2003.
MLA-čujuhus (9. p.)Richards, Jack C., et al. New Interchange: English for International Communication. Cambridge University Press, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.