Nichols, C. M. (2011). Promise and peril: America at the dawn of a global age. Harvard University Press.
Chicago-čujuhus (17. p.)Nichols, Christopher McKnight. Promise and Peril: America at the Dawn of a Global Age. Cambridge, Mass.: Harvard University Press, 2011.
MLA-čujuhus (9. p.)Nichols, Christopher McKnight. Promise and Peril: America at the Dawn of a Global Age. Harvard University Press, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.