Economic commission for Europe. (2006). Strategies for monitoring and assessment of transboundary rivers, lakes and groundwaters. United Nations.
Цитирование в стиле Чикаго (17-е изд.)Economic commission for Europe. Strategies for Monitoring and Assessment of Transboundary Rivers, Lakes and Groundwaters. Geneva: United Nations, 2006.
Цитирование MLA (8-е изд.)Economic commission for Europe. Strategies for Monitoring and Assessment of Transboundary Rivers, Lakes and Groundwaters. United Nations, 2006.
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