Barnett, M. N. (2011). The empire of humanity: A history of humanitarianism. Cornell University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarnett, Michael N. The Empire of Humanity: A History of Humanitarianism. Ithaca [N.Y.]: Cornell University Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBarnett, Michael N. The Empire of Humanity: A History of Humanitarianism. Cornell University Press, 2011.
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