Cita APA

(2002). The world almanac and book of facts 2002. U.S.A: World Almanac Books.

Chicago Style Citation

The World Almanac and Book of Facts 2002. U.S.A: World Almanac Books, 2002.

Cita MLA

The World Almanac and Book of Facts 2002. U.S.A: World Almanac Books, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.