Dyfyniad APA

IRRI. (1998). IRRI discussion paper series N.34: Simulation of yield losses caused by rice diseases, insects, and weeds in tropical Asia. Manila: IRRI.

Dyfyniad Arddull Chicago

IRRI. IRRI Discussion Paper Series N.34: Simulation of Yield Losses Caused By Rice Diseases, Insects, and Weeds in Tropical Asia. Manila: IRRI, 1998.

Dyfyniad MLA

IRRI. IRRI Discussion Paper Series N.34: Simulation of Yield Losses Caused By Rice Diseases, Insects, and Weeds in Tropical Asia. Manila: IRRI, 1998.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.