Schmucki, O. (1991). The stigmata of St. Francis of Assisi: A critical investigation in the light of thirteenth-century sources. Franciscan Institute, St. Bonaventure University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchmucki, Ottaviano. The Stigmata of St. Francis of Assisi: A Critical Investigation in the Light of Thirteenth-century Sources. St. Bonaventure, N.Y.: Franciscan Institute, St. Bonaventure University, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchmucki, Ottaviano. The Stigmata of St. Francis of Assisi: A Critical Investigation in the Light of Thirteenth-century Sources. Franciscan Institute, St. Bonaventure University, 1991.
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