Dyfyniad APA

North, D. C. (1966). Growth and welfare in the american past. PHI.

Dyfyniad Arddull Chicago

North, Douglass C. Growth and Welfare in the American Past. New Jersy: PHI, 1966.

Dyfyniad MLA

North, Douglass C. Growth and Welfare in the American Past. PHI, 1966.

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