FAO. (1987). FAO economic and social development series N.42: Agricultural price policies: issues and proposals. Rome: FAO.
Dyfyniad Arddull ChicagoFAO. FAO Economic and Social Development Series N.42: Agricultural Price Policies: Issues and Proposals. Rome: FAO, 1987.
Dyfyniad MLAFAO. FAO Economic and Social Development Series N.42: Agricultural Price Policies: Issues and Proposals. Rome: FAO, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.