Dyfyniad APA

International rice research institute. (1990). Program report for 1989: International rice research institute. Manila: International rice research institute.

Dyfyniad Arddull Chicago

International rice research institute. Program Report for 1989: International Rice Research Institute. Manila: International rice research institute, 1990.

Dyfyniad MLA

International rice research institute. Program Report for 1989: International Rice Research Institute. Manila: International rice research institute, 1990.

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