Welsh, M. L. (1958). The canonization of civil law in the twelfth and thirteenth centuries: A historical dissertation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWelsh, Maurice L. The Canonization of Civil Law in the Twelfth and Thirteenth Centuries: A Historical Dissertation. 1958.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWelsh, Maurice L. The Canonization of Civil Law in the Twelfth and Thirteenth Centuries: A Historical Dissertation. 1958.
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