APA (7th ed.) Zitazioa
Organisation for Economic Co-operation and Development. (1979). United States: 1979. OECD Publishing.
Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development. United States: 1979. Paris: OECD Publishing, 1979.
MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development. United States: 1979. OECD Publishing, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.