Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

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