Corden, W. M. (1974). Trade policy and economic welfare. Oxford: Clarendon Press.
Dyfyniad Arddull ChicagoCorden, W. M. Trade Policy and Economic Welfare. Oxford: Clarendon Press, 1974.
Dyfyniad MLACorden, W. M. Trade Policy and Economic Welfare. Oxford: Clarendon Press, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.