Heady, E. O. (1964). Economics of agricultural production and rsources use. Prentice Hall of India Pvt. Ltd.
Dyfyniad Arddull ChicagoHeady, Earl O. Economics of Agricultural Production and Rsources Use. New Delhi: Prentice Hall of India Pvt. Ltd, 1964.
Dyfyniad MLAHeady, Earl O. Economics of Agricultural Production and Rsources Use. Prentice Hall of India Pvt. Ltd, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.