APA引文

(2007). The World almanac and book of facts. New York: Press Pub. Co.

Trích dẫn kiểu Chicago

The World Almanac and Book of Facts. New York: Press Pub. Co, 2007.

MLA引文

The World Almanac and Book of Facts. New York: Press Pub. Co, 2007.

警告：這些引文格式不一定是100％准確.