World Bank. Environment Dept. (1991). Environmental assessment sourcebook. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Bank. Environment Dept. Environmental Assessment Sourcebook. Washington, D.C: World Bank, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Bank. Environment Dept. Environmental Assessment Sourcebook. World Bank, 1991.
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