Sachs , I. (1964). Agriculture Land Reforms and Economic Development b. PWN.
Dyfyniad Arddull ChicagoSachs , Ignacy. Agriculture Land Reforms and Economic Development B. Warsaw: PWN, 1964.
Dyfyniad MLASachs , Ignacy. Agriculture Land Reforms and Economic Development B. PWN, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.