Alberzoni, M. P. (2004). Clare of Assisi and the Poor Sisters in the thirteenth century. Franciscan Institute, St. Bonaventure University.
Chicago-viite (17. p.)Alberzoni, Maria Pia. Clare of Assisi and the Poor Sisters in the Thirteenth Century. St. Bonaventure, New York: Franciscan Institute, St. Bonaventure University, 2004.
MLA-viite (9. p.)Alberzoni, Maria Pia. Clare of Assisi and the Poor Sisters in the Thirteenth Century. Franciscan Institute, St. Bonaventure University, 2004.
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