(1991). The word almanac and book of facts. World Almanac.
Chicagoスタイル(17版)引用形式The Word Almanac and Book of Facts. World Almanac, 1991.
MLA(8版)引用形式The Word Almanac and Book of Facts. World Almanac, 1991.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式