Somlyódy, L., & Shanahan, P. (1998). Municipal wastewater treatment in Central and Eastern Europe: Present situation and cost-effective development strategies. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSomlyódy, L., और Peter Shanahan. Municipal Wastewater Treatment in Central and Eastern Europe: Present Situation and Cost-effective Development Strategies. Washington, D.C.: World Bank, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSomlyódy, L., और Peter Shanahan. Municipal Wastewater Treatment in Central and Eastern Europe: Present Situation and Cost-effective Development Strategies. World Bank, 1998.
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