Crane,George T. (1997). The theoretical evolution of international political economy. Oxford University Press.
Dyfyniad Arddull ChicagoCrane,George T. The Theoretical Evolution of International Political Economy. New York: Oxford University Press, 1997.
Dyfyniad MLACrane,George T. The Theoretical Evolution of International Political Economy. Oxford University Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.