Davies, H. (2004). Outline history of the world. Oxford university press.
Chicago Style aipamenaDavies, H.A. Outline History of the World. New Delhi: Oxford university press, 2004.
MLA aipamenaDavies, H.A. Outline History of the World. Oxford university press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.