Chakrabarti, R. (1974). Intervention: And the problem of its control in the twentieth century. Sterling Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChakrabarti, Radharaman. Intervention: And the Problem of Its Control in the Twentieth Century. Sterling Publishers, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChakrabarti, Radharaman. Intervention: And the Problem of Its Control in the Twentieth Century. Sterling Publishers, 1974.
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