Dyfyniad APA

North, D. C. (2005). Understanding the process of economic change. Princeton University Press.

Dyfyniad Arddull Chicago

North, Douglass Cecil. Understanding the Process of Economic Change. Princeton, N.J.: Princeton University Press, 2005.

Dyfyniad MLA

North, 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.