(1993). Protection of water resources and aquatic ecosystems. Economic Commission for Europe, United Nations.
Chicago Style (17th ed.) CitationProtection of Water Resources and Aquatic Ecosystems. Geneva: Economic Commission for Europe, United Nations, 1993.
MLA (9th ed.) CitationProtection of Water Resources and Aquatic Ecosystems. Economic Commission for Europe, United Nations, 1993.
Warning: These citations may not always be 100% accurate.