APA aipamena

THE WORLD BOOK. (2007). The world encyclodia Q-R volume 16. World Book.

Chicago Style aipamena

THE WORLD BOOK. The World Encyclodia Q-R Volume 16. Chicago: World Book, 2007.

MLA aipamena

THE WORLD BOOK. The World Encyclodia Q-R Volume 16. World Book, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.