Richards, J. C., Hull, J., & Proctor, S. (2005). New Interchange 1: English for international communication. Student's book. United Kingdom: Cambridge University Press.
Trích dẫn kiểu ChicagoRichards, Jack C., Jonathan Hull, và Susan Proctor. New Interchange 1: English for International Communication. Student's Book. United Kingdom: Cambridge University Press, 2005.
MLA CitationRichards, Jack C., Jonathan Hull, và Susan Proctor. New Interchange 1: English for International Communication. Student's Book. United Kingdom: Cambridge University Press, 2005.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.