Trexler, R. C. (1989). Naked before the father: The renunciation of Francis of Assisi. Humana civilitas.
芝加哥风格引文Trexler, Richard C. "Naked Before the Father: The Renunciation of Francis of Assisi." Humana Civilitas 1989.
MLA引文Trexler, Richard C. "Naked Before the Father: The Renunciation of Francis of Assisi." Humana Civilitas, 1989.
警告：这些引文格式不一定是100％准确.