APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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