Friedman. The Mandate of Dignity. Fordham University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFriedman. The Mandate of Dignity. Fordham University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFriedman. The Mandate of Dignity. Fordham University Press.
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