APA引文

Downing, A. (1992). A university course in English grammar. Redwood.

Trích dẫn kiểu Chicago

Downing, Angela. A University Course in English Grammar. Redwood, 1992.

MLA引文

Downing, Angela. A University Course in English Grammar. Redwood, 1992.

警告：這些引文格式不一定是100％准確.