APA (7th ed.) Zitazioa
Organisation for Economic Co-operation and Development & United Nations. Economic Commission for Europe. Committee on Environmental Policy. (2002). Environmental performance reviews. OECD.
Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta United Nations. Economic Commission for Europe. Committee on Environmental Policy. Environmental Performance Reviews. Paris, France: OECD, 2002.
MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development eta United Nations. Economic Commission for Europe. Committee on Environmental Policy. Environmental Performance Reviews. OECD, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.