APA aipamena

(1989). 20 th Asian rice farming systems working group meeting. IRRI.

Chicago Style aipamena

20 Th Asian Rice Farming Systems Working Group Meeting. IRRI, 1989.

MLA aipamena

20 Th Asian Rice Farming Systems Working Group Meeting. IRRI, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.