(1997). World almanac and book of facts, 1998. World Almanac Books.
シカゴスタイル引用形World Almanac and Book of Facts, 1998. New Jersey: World Almanac Books, 1997.
MLA引用形式World Almanac and Book of Facts, 1998. World Almanac Books, 1997.
警告: この引用は必ずしも正確ではありません.