Economic comission for Europe. (2003). Environmental policy in transition: Ten years of unece environmental performance reviews.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEconomic comission for Europe. Environmental Policy in Transition: Ten Years of Unece Environmental Performance Reviews. 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEconomic comission for Europe. Environmental Policy in Transition: Ten Years of Unece Environmental Performance Reviews. 2003.
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