Dyfyniad APA
Backman, C. R. (2003). The worlds of medieval Europe. Oxford University Press.
Dyfyniad Arddull Chicago
Backman, Clifford R. The Worlds of Medieval Europe. New York: Oxford University Press, 2003.
Dyfyniad MLA
Backman, Clifford R. The Worlds of Medieval Europe. Oxford University Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.