Nichols, C. M. (2011). Promise and peril: America at the dawn of a global age. Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNichols, Christopher McKnight. Promise and Peril: America at the Dawn of a Global Age. Cambridge, Mass.: Harvard University Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNichols, Christopher McKnight. Promise and Peril: America at the Dawn of a Global Age. Harvard University Press, 2011.
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