APA (7. basım) Alıntı

(2001). The world almanac and book of facts 2001. World Almanac Books.

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

The World Almanac and Book of Facts 2001. World Almanac Books, 2001.