Roy, D. K. (1989). Leftist politics in India: M.N. Roy and the Radical Democratic Party. Minerva Associates.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoy, Dipti Kumar. Leftist Politics in India: M.N. Roy and the Radical Democratic Party. Minerva Associates, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRoy, Dipti Kumar. Leftist Politics in India: M.N. Roy and the Radical Democratic Party. Minerva Associates, 1989.
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