APA Citation

(2003). The world almanac and book of facts 2003. New York: World Almanac books.

Trích dẫn kiểu Chicago

The World Almanac and Book of Facts 2003. New York: World Almanac books, 2003.

MLA Citation

The World Almanac and Book of Facts 2003. New York: World Almanac books, 2003.

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