Dyfyniad APA
Unger, R. W. (2004). Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press.
Dyfyniad Arddull Chicago
Unger, Richard W. Beer in the Middle Ages and the Renaissance. Philadelphia: University of Pennsylvania Press, 2004.
Dyfyniad MLA
Unger, Richard W. Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.