Dyfyniad APA
Toynbee, A. (1947). A study of history. Oxford university press.
Dyfyniad Arddull Chicago
Toynbee, Arnold. A Study of History. New York: Oxford university press, 1947.
Dyfyniad MLA
Toynbee, Arnold. A Study of History. Oxford university press, 1947.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.