Alexander, L. G., & Nguyễn Thành Ýên. (1997). Fluency in English: An intergrated course for advanced students. Tp.HCM: Nxb Tp.HCM.
استشهاد بنمط شيكاغوAlexander, L. G., و Nguyễn Thành Ýên. Fluency in English: An Intergrated Course for Advanced Students. Tp.HCM: Nxb Tp.HCM, 1997.
MLA استشهادAlexander, L. G., و Nguyễn Thành Ýên. Fluency in English: An Intergrated Course for Advanced Students. Tp.HCM: Nxb Tp.HCM, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.