North, D. C. (2005). Understanding the process of economic change. Princeton University Press.
Dyfyniad Arddull ChicagoNorth, Douglass Cecil. Understanding the Process of Economic Change. Princeton, N.J.: Princeton University Press, 2005.
Dyfyniad MLANorth, Douglass Cecil. Understanding the Process of Economic Change. Princeton University Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.