IRRI. (1998). Sustainability of rice in the global food system. Manila: IRRI.
Dyfyniad Arddull ChicagoIRRI. Sustainability of Rice in the Global Food System. Manila: IRRI, 1998.
Dyfyniad MLAIRRI. Sustainability of Rice in the Global Food System. Manila: IRRI, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.