APA (7th ed.) Zitazioa

risk, m. m. (1992). economic efficiency and resource productivity on small broiller farms in saudi arabi. the institute of national planning.

Chicago Style (17th ed.) Zitazioa

risk, mohamed m. Economic Efficiency and Resource Productivity on Small Broiller Farms in Saudi Arabi. cairo: the institute of national planning, 1992.

MLA (9th ed.) Zitazioa

risk, mohamed m. Economic Efficiency and Resource Productivity on Small Broiller Farms in Saudi Arabi. the institute of national planning, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.