Ray, N. (1975). Maurya and post-Maurya art: A study in social and formal contrasts. Indian Council of Historical Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRay, Niharranjan. Maurya and Post-Maurya Art: A Study in Social and Formal Contrasts. Indian Council of Historical Research, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRay, Niharranjan. Maurya and Post-Maurya Art: A Study in Social and Formal Contrasts. Indian Council of Historical Research, 1975.
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