APA (7th ed.) Zitazioa
International Energy Agency. (2001). Energy policies of IEA countries: Czech Republic 2001 review. Intermational Energy Agency.
Chicago Style (17th ed.) Zitazioa
International Energy Agency. Energy Policies of IEA Countries: Czech Republic 2001 Review. Paris, Cedex, France: Intermational Energy Agency, 2001.
MLA (9th ed.) Zitazioa
International Energy Agency. Energy Policies of IEA Countries: Czech Republic 2001 Review. Intermational Energy Agency, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.