Jones, R. (1989). Dryland wheat cropping in western New South Wales: Structure and trends. NSW Agriculture and Fisheries, Division of Rural and Resource Economics.
Dyfyniad Arddull ChicagoJones, Randall. Dryland Wheat Cropping in Western New South Wales: Structure and Trends. [Yanco, N.S.W.]: NSW Agriculture and Fisheries, Division of Rural and Resource Economics, 1989.
Dyfyniad MLAJones, Randall. Dryland Wheat Cropping in Western New South Wales: Structure and Trends. NSW Agriculture and Fisheries, Division of Rural and Resource Economics, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.