Dyfyniad APA

International rice research institute. Program report for 1990. Manila: IRRI.

Dyfyniad Arddull Chicago

International rice research institute. Program Report for 1990. Manila: IRRI.

Dyfyniad MLA

International rice research institute. Program Report for 1990. Manila: IRRI.

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