Dyfyniad APA

Nichols, C. M. (2011). Promise and peril: America at the dawn of a global age. Harvard University Press.

Dyfyniad Arddull Chicago

Nichols, Christopher McKnight. Promise and Peril: America at the Dawn of a Global Age. Cambridge, Mass.: Harvard University Press, 2011.

Dyfyniad MLA

Nichols, Christopher McKnight. Promise and Peril: America at the Dawn of a Global Age. Harvard University Press, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.