APA (7th ed.) Zitazioa
Gombrich, E. H. (2005). A little history of the world. Yale University Press.
Chicago Style (17th ed.) Zitazioa
Gombrich, E. H. A Little History of the World. New Haven: Yale University Press, 2005.
MLA (9th ed.) Zitazioa
Gombrich, E. H. A Little History of the World. Yale University Press, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.