APA (7e ed.) Bronvermelding
Unger, R. W. (2004). Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press.
Chicago (17e ed.) Bronvermelding
Unger, Richard W. Beer in the Middle Ages and the Renaissance. Philadelphia: University of Pennsylvania Press, 2004.
MLA (9e ed.) Bronvermelding
Unger, Richard W. Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.