APA引文

Dirksen, C. (1997). Educator's English: Speaking and listening for Vietnamese teachers. [s.n.]: English Language Institute.

Trích dẫn kiểu Chicago

Dirksen, Carolyn. Educator's English: Speaking and Listening for Vietnamese Teachers. [s.n.]: English Language Institute, 1997.

MLA引文

Dirksen, Carolyn. Educator's English: Speaking and Listening for Vietnamese Teachers. [s.n.]: English Language Institute, 1997.

警告：這些引文格式不一定是100％准確.