Gratien de Paris. (1957). I know Christ: The personality and spirituality of St. Francis of Assisi. Saint Bonaventure University, The Franciscan Institute.
Chicago Style (17. basım) AtıfGratien de Paris. I Know Christ: The Personality and Spirituality of St. Francis of Assisi. St. Bonaventure, N.Y.: Saint Bonaventure University, The Franciscan Institute, 1957.
MLA (8th ed.) AtıfGratien de Paris. I Know Christ: The Personality and Spirituality of St. Francis of Assisi. Saint Bonaventure University, The Franciscan Institute, 1957.
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