Richards, J. C., & Hull, J. (1998). New interchange 2: English for international communication : teacher's edition. Cambridge: Cambridge University Press.
Chicago Style aipamenaRichards, Jack C., và Jonathan Hull. New Interchange 2: English for International Communication : Teacher's Edition. Cambridge: Cambridge University Press, 1998.
MLA aipamenaRichards, Jack C., và Jonathan Hull. New Interchange 2: English for International Communication : Teacher's Edition. Cambridge: Cambridge University Press, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.