APA引文

World Almanac Education Group. (2005). The World almanac and book of facts 2005 (Primera edición.). World Almanac Education Group.

Chicago Style (17th ed.) Citation

World Almanac Education Group. The World Almanac and Book of Facts 2005. Primera edición. Nueva York: World Almanac Education Group, 2005.

MLA引文

World Almanac Education Group. The World Almanac and Book of Facts 2005. Primera edición. World Almanac Education Group, 2005.

警告：這些引文格式不一定是100％准確.