Wang, J., & Hagan, R. E. (1981). Irrigated rice production systems: Design procedures. Westview Press.
Dyfyniad Arddull ChicagoWang, Jaw-Kai, and Ross E. Hagan. Irrigated Rice Production Systems: Design Procedures. Boulder, Colo: Westview Press, 1981.
Dyfyniad MLAWang, Jaw-Kai, and Ross E. Hagan. Irrigated Rice Production Systems: Design Procedures. Westview Press, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.