APA (7th ed.) Zitazioa
Toynbee, A. (1965). A study of history (a laurel edition.). Oxford university press.
Chicago Style (17th ed.) Zitazioa
Toynbee, Arnold. A Study of History. a laurel edition. New York: Oxford university press, 1965.
MLA (9th ed.) Zitazioa
Toynbee, Arnold. A Study of History. a laurel edition. Oxford university press, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.