Dyfyniad APA
McNeill, W. H. (1979). A world history (3d ed.). Oxford University Press.
Dyfyniad Arddull Chicago
McNeill, William Hardy. A World History. 3d ed. New York: Oxford University Press, 1979.
Dyfyniad MLA
McNeill, William Hardy. A World History. 3d ed. Oxford University Press, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.