APA引文

Nguyễn Đức An Vi. (2002). Advantages and disadvantages of the current speaking materials used for the fist and second year students.

Trích dẫn kiểu Chicago

Nguyễn Đức An Vi. Advantages and Disadvantages of the Current Speaking Materials Used for the Fist and Second Year Students. 2002.

MLA引文

Nguyễn Đức An Vi. Advantages and Disadvantages of the Current Speaking Materials Used for the Fist and Second Year Students. 2002.

警告：这些引文格式不一定是100％准确.