APA (7th ed.) Zitazioa
(2002). Energy policies of IEA countries: Denmark 2002 review. OECD.
Chicago Style (17th ed.) Zitazioa
Energy Policies of IEA Countries: Denmark 2002 Review. Paris, Cedex, France: OECD, 2002.
MLA (9th ed.) Zitazioa
Energy Policies of IEA Countries: Denmark 2002 Review. OECD, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.