APA (7th ed.) Zitazioa
(2004). Renewable energy: Market & policy trends in IEA countries. OECD/IEA.
Chicago Style (17th ed.) Zitazioa
Renewable Energy: Market & Policy Trends in IEA Countries. Paris: OECD/IEA, 2004.
MLA (9th ed.) Zitazioa
Renewable Energy: Market & Policy Trends in IEA Countries. OECD/IEA, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.