Citáce podľa APA (7th ed.)
(1981). Long-term perspectives for water use and supply in the ECE region: Report on recent experience and prospects for time horizonts 1990 and 2000. United Nations.
Citácia podle Chicago (17th ed.)
Long-term Perspectives for Water Use and Supply in the ECE Region: Report on Recent Experience and Prospects for Time Horizonts 1990 and 2000. New York: United Nations, 1981.
Citácia podľa MLA (8th ed.)
Long-term Perspectives for Water Use and Supply in the ECE Region: Report on Recent Experience and Prospects for Time Horizonts 1990 and 2000. United Nations, 1981.
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