Sampon, R. G. (1958). Legislative activity of the provincial and plenary councils of the thirteenth century: A historical synopsis.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSampon, Robert G. Legislative Activity of the Provincial and Plenary Councils of the Thirteenth Century: A Historical Synopsis. 1958.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSampon, Robert G. Legislative Activity of the Provincial and Plenary Councils of the Thirteenth Century: A Historical Synopsis. 1958.
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