Copleston, F. (1962). A History of Philosophy: Mediaeval Philosophy. Part II: Albert the Great to Duns Scotus. Image Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCopleston, Frederick. A History of Philosophy: Mediaeval Philosophy. Part II: Albert the Great to Duns Scotus. New York, Estados Unidos: Image Books, 1962.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCopleston, Frederick. A History of Philosophy: Mediaeval Philosophy. Part II: Albert the Great to Duns Scotus. Image Books, 1962.
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