Koch, J. V., & Chizmar, J. F. (1976). The economics of affirmative action. DC Heath.
Dyfyniad Arddull ChicagoKoch, James V., and John F. Chizmar. The Economics of Affirmative Action. London: DC Heath, 1976.
Dyfyniad MLAKoch, James V., and John F. Chizmar. The Economics of Affirmative Action. DC Heath, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.