APA (7th ed.) Zitazioa

National food review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic resource].

Chicago Style (17th ed.) Zitazioa

National Food Review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic Resource].

MLA (9th ed.) Zitazioa

National Food Review Economics, Statistics, and Cooperatives Service, U.S. Department of Agriculture. [electronic Resource].

Kontuz: berrikusi erreferentzia hauek erabili aurretik.