APA引文

(2004). The World Almanac and book of facts 2004. World Almanac Books.

Trích dẫn kiểu Chicago

The World Almanac and Book of Facts 2004. World Almanac Books, 2004.

MLA引文

The World Almanac and Book of Facts 2004. World Almanac Books, 2004.

警告：這些引文格式不一定是100％准確.