APA aipamena

(2008). Annual Editions: World History. Dubuque: McGraw-Hill.

Chicago Style aipamena

Annual Editions: World History. Dubuque: McGraw-Hill, 2008.

MLA aipamena

Annual Editions: World History. Dubuque: McGraw-Hill, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.