Gaya APA

The World Almanac and Book of Facts 2001. (2001). New Jersey: World Almanac Books.

Gaya Chicago

The World Almanac and Book of Facts 2001. . New Jersey: World Almanac Books, 2001. Text Book.

Gaya MLA

The World Almanac and Book of Facts 2001. . New Jersey: World Almanac Books, 2001. Text Book.

Gaya Turabian

The World Almanac and Book of Facts 2001. New Jersey: World Almanac Books, 2001. Text Book.