APA引文

(2010). World Almanac and book of facts 2010. World Almanac Books.

Chicago Edition Citation

World Almanac and Book of Facts 2010. New York: World Almanac Books, 2010.

MLA引文

World Almanac and Book of Facts 2010. World Almanac Books, 2010.

警告：這些引文格式不一定是100％准確.