Nguyễn Đức An Vi. (2002). Advantages and disadvantages of the current speaking materials used for the fist and second year students.
استشهاد بنمط شيكاغوNguyễn Đức An Vi. Advantages and Disadvantages of the Current Speaking Materials Used for the Fist and Second Year Students. 2002.
MLA استشهادNguyễn Đức An Vi. Advantages and Disadvantages of the Current Speaking Materials Used for the Fist and Second Year Students. 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.