Kessler, H. L., Zacharias, J., & Zacharias, J. (2000). Rome 1300 on the path of the pilgrim. New Haven London: Yale University Press.
Παραπομπή Chicago StyleKessler, Herbert L., Johanna Zacharias, and Johanna Zacharias. Rome 1300 On the Path of the Pilgrim. New Haven London: Yale University Press, 2000.
Παραπομπή MLAKessler, Herbert L., Johanna Zacharias, and Johanna Zacharias. Rome 1300 On the Path of the Pilgrim. New Haven London: Yale University Press, 2000.
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