Gratien de Paris. (1957). I know Christ: The personality and spirituality of St. Francis of Assisi. Saint Bonaventure University, The Franciscan Institute.
Lua i Stíl Chicago (17ú heag.)Gratien 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.
Lua MLA (8ú heag.)Gratien de Paris. I Know Christ: The Personality and Spirituality of St. Francis of Assisi. Saint Bonaventure University, The Franciscan Institute, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.