Duncan, G. (1973). Marx and Mill: Two views of social conflict and social harmony. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDuncan, Graeme. Marx and Mill: Two Views of Social Conflict and Social Harmony. Cambridge University Press, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDuncan, Graeme. Marx and Mill: Two Views of Social Conflict and Social Harmony. Cambridge University Press, 1973.
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