Citace podle APA (7th ed.)
Kreutz, B. M. (1991). Before the Normans: Southern Italy in the ninth and tenth centuries. University of Pennsylvania Press.
Citace podle Chicago (17th ed.)
Kreutz, Barbara M. Before the Normans: Southern Italy in the Ninth and Tenth Centuries. Philadelphia [Pa.]: University of Pennsylvania Press, 1991.
Citace podle MLA (9th ed.)
Kreutz, Barbara M. Before the Normans: Southern Italy in the Ninth and Tenth Centuries. University of Pennsylvania Press, 1991.
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