Lower, M. (2005). The Barons' Crusade: A call to arms and its consequences. University of Pennsylvania Press.
Chicago-čujuhus (17. p.)Lower, Michael. The Barons' Crusade: A Call to Arms and Its Consequences. Philadelphia: University of Pennsylvania Press, 2005.
MLA-čujuhus (9. p.)Lower, Michael. The Barons' Crusade: A Call to Arms and Its Consequences. University of Pennsylvania Press, 2005.
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