Cita APA (7th ed.)
International Energy Agency & ProQuest (Firm). (2011). Electricity information 2011, with 2010 data. International Energy Agency.
Cita Chicago (17th ed.)
International Energy Agency i ProQuest (Firm). Electricity Information 2011, with 2010 Data. Paris: International Energy Agency, 2011.
Cita MLA (9th ed.)
International Energy Agency i ProQuest (Firm). Electricity Information 2011, with 2010 Data. International Energy Agency, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.