(2012). The World almanac and book of facts: 2012. World Almanac Books.
Chicago Style (17th ed.) CitationThe World Almanac and Book of Facts: 2012. New York, New York: World Almanac Books, 2012.
MLA引文The World Almanac and Book of Facts: 2012. World Almanac Books, 2012.
警告:這些引文格式不一定是100%准確.