Dyfyniad APA

Davis, J. R. (1971). New economics and the old economists.

Dyfyniad Arddull Chicago

Davis, J. R. New Economics and the Old Economists. Ames, Iowa State University Press, 1971.

Dyfyniad MLA

Davis, J. R. New Economics and the Old Economists. 1971.

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