Cita APA (7th ed.)
(2017). World energy balances 2017. IEA Publications.
Cita Chicago (17th ed.)
World Energy Balances 2017. [Place of publication not identified]: IEA Publications, 2017.
Cita MLA (9th ed.)
World Energy Balances 2017. IEA Publications, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.