Richards, J. C., & Jack C Richards. (2005). Interchange: Full contact. Cambridge (U.K.),New York: Cambridge University Press.
Trích dẫn kiểu ChicagoRichards, Jack C., và Jack C Richards. Interchange: Full Contact. Cambridge (U.K.),New York: Cambridge University Press, 2005.
Deismireacht MLARichards, Jack C., và Jack C Richards. Interchange: Full Contact. Cambridge (U.K.),New York: Cambridge University Press, 2005.
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