Copeland, D. C. (2000). The origins of major war. Cornell University Press.
Dyfyniad Arddull ChicagoCopeland, Dale C. The Origins of Major War. Ithaca: Cornell University Press, 2000.
Dyfyniad MLACopeland, Dale C. The Origins of Major War. Cornell University Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.