James, W. E. (1983). New evidence on yields, fertilizer application and prices in Asian rice production. Asian Development Bank.
Dyfyniad Arddull ChicagoJames, William E. New Evidence on Yields, Fertilizer Application and Prices in Asian Rice Production. Manila: Asian Development Bank, 1983.
Dyfyniad MLAJames, William E. New Evidence on Yields, Fertilizer Application and Prices in Asian Rice Production. Asian Development Bank, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.