APA aipamena

THE WORLD BOOK.. (2007). The world book S-Sn volume 17. World Book.

Chicago Style aipamena

THE WORLD BOOK.. The World Book S-Sn Volume 17. Chicago: World Book, 2007.

MLA aipamena

THE WORLD BOOK.. The World Book S-Sn Volume 17. World Book, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.