APA引文

Dunnan, N. (1995). Dun and Bradstreet Guide to. New York: HarperPerennial, etc.

Trích dẫn kiểu Chicago

Dunnan, Nancy. Dun and Bradstreet Guide to. New York: HarperPerennial, etc, 1995.

MLA引文

Dunnan, Nancy. Dun and Bradstreet Guide to. New York: HarperPerennial, etc, 1995.

警告：這些引文格式不一定是100％准確.