APA引文

Downing, A. (1992). A university course in English grammar. New York: Prentice-Hall.

Trích dẫn kiểu Chicago

Downing, Angela. A University Course in English Grammar. New York: Prentice-Hall, 1992.

MLA引文

Downing, Angela. A University Course in English Grammar. New York: Prentice-Hall, 1992.

警告：这些引文格式不一定是100％准确.