Richards, J. C., Nguyễn Ngọc Hưng, Aldcorn, S. B., & Bycina, D. (1999). New person to person: Commubicative speaking and listening skills (Tái bản lần thứ ba.). Tp. HCM: Trẻ.
শিকাগো স্টাইলে সাইটেশনRichards, Jack C., Nguyễn Ngọc Hưng, Sue Brioux Aldcorn, এবং David Bycina. New Person to Person: Commubicative Speaking and Listening Skills. Tái bản lần thứ ba. Tp. HCM: Trẻ, 1999.
এমএলএ সাইটেশনRichards, Jack C., Nguyễn Ngọc Hưng, Sue Brioux Aldcorn, এবং David Bycina. New Person to Person: Commubicative Speaking and Listening Skills. Tái bản lần thứ ba. Tp. HCM: Trẻ, 1999.
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