Dyfyniad APA

North, . D. C. (1981). Structure and change in economic history. Norton.

Dyfyniad Arddull Chicago

North, Douglass C. Structure and Change in Economic History. New York ; London: Norton, 1981.

Dyfyniad MLA

North, Douglass C. Structure and Change in Economic History. Norton, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.