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Lua i Stíl Chicago (17ú heag.)World Bank agus Noureddine Berrah. Sustainable Energy in China: The Closing Window of Opportunity. Washington, DC: World Bank, 2007.
Lua MLA (9ú heag.)World Bank agus Noureddine Berrah. Sustainable Energy in China: The Closing Window of Opportunity. World Bank, 2007.
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