Mortimer, C., & Nguyễn Thành Yến. (2001). Elements of pronunciation: Intensive practice for intermediate and more advanced students. Tp.HCM: Nxb Tp.HCM.
Chicago-tyylinen lähdeviittausMortimer, Colin., ja Nguyễn Thành Yến. Elements of Pronunciation: Intensive Practice for Intermediate and More Advanced Students. Tp.HCM: Nxb Tp.HCM, 2001.
MLA-viiteMortimer, Colin., ja Nguyễn Thành Yến. Elements of Pronunciation: Intensive Practice for Intermediate and More Advanced Students. Tp.HCM: Nxb Tp.HCM, 2001.
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