(2007). World almanac and book of facts, 2007. World Almanac Books.
シカゴスタイル引用形World Almanac and Book of Facts, 2007. New York: World Almanac Books, 2007.
MLA引用形式World Almanac and Book of Facts, 2007. World Almanac Books, 2007.
警告: この引用は必ずしも正確ではありません.