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Lua i Stíl Chicago (17ú heag.)World Bank Staff, World Bank, agus Robert J. Saunders. Energy Efficiency and Conservation in the Developing World: The World Bank's Role. Washington, D.C.: World Bank, 1993.
Lua MLA (9ú heag.)World Bank Staff, et al. Energy Efficiency and Conservation in the Developing World: The World Bank's Role. World Bank, 1993.
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