APA-viite (7. p.)
International Energy Agency. (2014). CO2 emissions from fuel combustion (2014 edition.). OECD.
Chicago-viite (17. p.)
International Energy Agency. CO2 Emissions from Fuel Combustion. 2014 edition. Paris, France: OECD, 2014.
MLA-viite (9. p.)
International Energy Agency. CO2 Emissions from Fuel Combustion. 2014 edition. OECD, 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.