APA (7. basım) Alıntı

THE WORLD BOOK ENCYCLOPEDIA. (1989). The world book encyclopedia: U - V. World Book.

Chicago Style (17. basım) Atıf

THE WORLD BOOK ENCYCLOPEDIA. The World Book Encyclopedia: U - V. Chicago: World Book, 1989.

MLA (9th ed.) Atıf

THE WORLD BOOK ENCYCLOPEDIA. The World Book Encyclopedia: U - V. World Book, 1989.