APA (7. basım) Alıntı
Unger, R. W. (2004). Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press.
Chicago Style (17. basım) Atıf
Unger, Richard W. Beer in the Middle Ages and the Renaissance. Philadelphia: University of Pennsylvania Press, 2004.
MLA (9th ed.) Atıf
Unger, Richard W. Beer in the Middle Ages and the Renaissance. University of Pennsylvania Press, 2004.
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