Alexander, L. G., & Nguyễn Thành Ýên. (1997). Fluency in English: An intergrated course for advanced students. Tp.HCM: Nxb Tp.HCM.
Παραπομπή Chicago StyleAlexander, L. G., και Nguyễn Thành Ýên. Fluency in English: An Intergrated Course for Advanced Students. Tp.HCM: Nxb Tp.HCM, 1997.
Παραπομπή MLAAlexander, L. G., και Nguyễn Thành Ýên. Fluency in English: An Intergrated Course for Advanced Students. Tp.HCM: Nxb Tp.HCM, 1997.
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