Sather. (2001). People at work: Luyện kỹ năng nghe - nói tiếng Anh = Listening and communicative skills, vocabulary building. Tp. HCM: Tp. HCM.
シカゴスタイル引用形Sather. People At Work: Luyện Kỹ Năng Nghe - Nói Tiếng Anh = Listening and Communicative Skills, Vocabulary Building. Tp. HCM: Tp. HCM, 2001.
MLA引用形式Sather. People At Work: Luyện Kỹ Năng Nghe - Nói Tiếng Anh = Listening and Communicative Skills, Vocabulary Building. Tp. HCM: Tp. HCM, 2001.
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