APA (7th ed.) Zitazioa
(2017). CO2 emissions from fuel combustion 2017. International Energy Agency.
Chicago Style (17th ed.) Zitazioa
CO2 Emissions from Fuel Combustion 2017. [Place of publication not identified]: International Energy Agency, 2017.
MLA (9th ed.) Zitazioa
CO2 Emissions from Fuel Combustion 2017. International Energy Agency, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.