Richards, J. C. (2006). Person to Person: Communicative speaking and listening skills : teacher's book 1 (3rd ed.). Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoRichards, Jack C. Person to Person: Communicative Speaking and Listening Skills : Teacher's Book 1. 3rd ed. Oxford: Oxford Univ. Press, 2006.
Trích dẫn MLARichards, Jack C. Person to Person: Communicative Speaking and Listening Skills : Teacher's Book 1. 3rd ed. Oxford: Oxford Univ. Press, 2006.
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