World Bank & ebrary, Inc. (2010). Lights out?: The outlook for energy in Eastern Europe and the former Soviet Union. World Bank.
Cita Chicago (17th ed.)World Bank i Inc ebrary. Lights Out?: The Outlook for Energy in Eastern Europe and the Former Soviet Union. Washington DC: World Bank, 2010.
Cita MLA (9th ed.)World Bank i Inc ebrary. Lights Out?: The Outlook for Energy in Eastern Europe and the Former Soviet Union. World Bank, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.