Richards, J. C., Hull, J., & Proctor, S. (1994). Interchange: English for international communication. Đà Nẵng : New York: NXb. Đà Nẵng; Cambridge University Press.
Trích dẫn kiểu ChicagoRichards, Jack C., Jonathan Hull, và Susan Proctor. Interchange: English for International Communication. Đà Nẵng : New York: NXb. Đà Nẵng; Cambridge University Press, 1994.
MLA引文Richards, Jack C., Jonathan Hull, và Susan Proctor. Interchange: English for International Communication. Đà Nẵng : New York: NXb. Đà Nẵng; Cambridge University Press, 1994.
警告：這些引文格式不一定是100％准確.