Ljung, P. (2007). Energy sector reform: Strategies for growth, equity and sustainability. Sida.
Chicago Style (17. basım) AtıfLjung, Per. Energy Sector Reform: Strategies for Growth, Equity and Sustainability. Stockholm: Sida, 2007.
MLA (9th ed.) AtıfLjung, Per. Energy Sector Reform: Strategies for Growth, Equity and Sustainability. Sida, 2007.
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