International Energy Agency & ProQuest (Firm). (2009). IEA scoreboard 2009: 35 key energy trends over 35 years. OECD/IEA.
Čikaški stil citiranja (17. izdanje)International Energy Agency i ProQuest (Firm). IEA Scoreboard 2009: 35 Key Energy Trends over 35 Years. Paris: OECD/IEA, 2009.
MLA način citiranja (9. izdanje)International Energy Agency i ProQuest (Firm). IEA Scoreboard 2009: 35 Key Energy Trends over 35 Years. OECD/IEA, 2009.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.