IRRI. (1998). Sustainability of rice in the global food system. Manila: IRRI.
Chicago Style aipamenaIRRI. Sustainability of Rice in the Global Food System. Manila: IRRI, 1998.
MLA aipamenaIRRI. Sustainability of Rice in the Global Food System. Manila: IRRI, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.