Mortimer, C., & Nguyễn Thành Yến. (2001). Elements of pronunciation: Intensive practice for intermediate and more advanced students. Tp.HCM: Nxb Tp.HCM.
استشهاد بنمط شيكاغوMortimer, Colin., و Nguyễn Thành Yến. Elements of Pronunciation: Intensive Practice for Intermediate and More Advanced Students. Tp.HCM: Nxb Tp.HCM, 2001.
MLA استشهادMortimer, Colin., و Nguyễn Thành Yến. Elements of Pronunciation: Intensive Practice for Intermediate and More Advanced Students. Tp.HCM: Nxb Tp.HCM, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.