Dyfyniad APA

(2001). Report of the director general 2001 - 2002. Manila, Philippines: IRRI.

Dyfyniad Arddull Chicago

Report of the Director General 2001 - 2002. Manila, Philippines: IRRI, 2001.

Dyfyniad MLA

Report of the Director General 2001 - 2002. Manila, Philippines: IRRI, 2001.

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