APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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