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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEconomic Development Institute (Washington, D.C.), Lisa A. Griffin, और Corazon M. Siddayao. Energy Investments and the Environment: A Collection of Papers Prepared for a Workshop Organized by the Economic Development Institute of the World Bank in October 1990. Washington, D.C: World Bank, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEconomic Development Institute (Washington, D.C.), et al. Energy Investments and the Environment: A Collection of Papers Prepared for a Workshop Organized by the Economic Development Institute of the World Bank in October 1990. World Bank, 1993.