Gratien de Paris. (1957). I know Christ: The personality and spirituality of St. Francis of Assisi. Saint Bonaventure University, The Franciscan Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGratien 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGratien de Paris. I Know Christ: The Personality and Spirituality of St. Francis of Assisi. Saint Bonaventure University, The Franciscan Institute, 1957.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.