Wippel, J. F. (1987). Studies in medieval philosophy. Studies in philosophy and the history of philosophy.
芝加哥风格引文Wippel, John F. "Studies in Medieval Philosophy." Studies in Philosophy and the History of Philosophy 1987.
MLA引文Wippel, John F. "Studies in Medieval Philosophy." Studies in Philosophy and the History of Philosophy, 1987.
警告：这些引文格式不一定是100％准确.