APA(7版)引用形式
(2007). The world almanac and book of facts 2007. World Almanac Education Group.
Chicagoスタイル(17版)引用形式
The World Almanac and Book of Facts 2007. New York: World Almanac Education Group, 2007.
MLA(9版)引用形式
The World Almanac and Book of Facts 2007. World Almanac Education Group, 2007.
警告: この引用は必ずしも正確ではありません.