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.