APA (7. basım) Alıntı

World Book, Inc. (1997). The World Book encyclopedia. World Book International.

Chicago Style (17. basım) Atıf

World Book, Inc. The World Book Encyclopedia. London ; Sydney: World Book International, 1997.

MLA (8th ed.) Atıf

World Book, Inc. The World Book Encyclopedia. World Book International, 1997.