APA
WORLD ALMANAC BOOKS, . (2004). THE WORLD ALMANAC and BOOKS of FACTS 2004. New York: World Almanac Education Group INC.
Chicago
WORLD ALMANAC BOOKS, . 2004. THE WORLD ALMANAC and BOOKS of FACTS 2004. New York: World Almanac Education Group INC.
Harvard
WORLD ALMANAC BOOKS, . (2004). THE WORLD ALMANAC and BOOKS of FACTS 2004. New York: World Almanac Education Group INC.
MLA
WORLD ALMANAC BOOKS, . THE WORLD ALMANAC and BOOKS of FACTS 2004. New York: World Almanac Education Group INC. 2004.
