Lesourne, J. (1975). Cost - benefit analysis and economic theory. North - Holland.
Dyfyniad Arddull ChicagoLesourne, Jacques. Cost - Benefit Analysis and Economic Theory. Amsterdam: North - Holland, 1975.
Dyfyniad MLALesourne, Jacques. Cost - Benefit Analysis and Economic Theory. North - Holland, 1975.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.