Dyfyniad APA

(2005). IR varieties and their impact. Philippines: International rice research institute (IRRI).

Dyfyniad Arddull Chicago

IR Varieties and Their Impact. Philippines: International rice research institute (IRRI), 2005.

Dyfyniad MLA

IR Varieties and Their Impact. Philippines: International rice research institute (IRRI), 2005.

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