International Rice Research Institute. (1966). Research data: Technological factors and increased rice yields. The Institute.
Dyfyniad Arddull ChicagoInternational Rice Research Institute. Research Data: Technological Factors and Increased Rice Yields. Los Banos, Laguna: The Institute, 1966.
Dyfyniad MLAInternational Rice Research Institute. Research Data: Technological Factors and Increased Rice Yields. The Institute, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.