Singh, S. (1973). Communists in Congress: Kumarmangalam's thesis. D.K. Pub. House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, Satindra. Communists in Congress: Kumarmangalam's Thesis. D.K. Pub. House, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, Satindra. Communists in Congress: Kumarmangalam's Thesis. D.K. Pub. House, 1973.
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