World Health Organization. Regional Office for Europe & ebrary, Inc. (2010). Health and the environment in Europe: Progress assesment. WHO Regional Office for Europe.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Regional Office for Europe और Inc ebrary. Health and the Environment in Europe: Progress Assesment. Copenhagen: WHO Regional Office for Europe, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Health Organization. Regional Office for Europe और Inc ebrary. Health and the Environment in Europe: Progress Assesment. WHO Regional Office for Europe, 2010.
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