APA引文

(2005). The world almanac and book of facts 2005. U.S.A: World Almanac Books.

Trích dẫn kiểu Chicago

The World Almanac and Book of Facts 2005. U.S.A: World Almanac Books, 2005.

MLA引文

The World Almanac and Book of Facts 2005. U.S.A: World Almanac Books, 2005.

警告：这些引文格式不一定是100％准确.