Unesco, World Health Organization, United Nations Environment Programme, & Chapman, D. V. (1992). Water quality assessments: A guide to the use of biota, sediments and water in environmental monitoring. Chapman and Hall.
Chicago Style (17th ed.) CitationUnesco, World Health Organization, United Nations Environment Programme, and Deborah V. Chapman. Water Quality Assessments: A Guide to the Use of Biota, Sediments and Water in Environmental Monitoring. London: Chapman and Hall, 1992.
MLA (9th ed.) CitationUnesco, et al. Water Quality Assessments: A Guide to the Use of Biota, Sediments and Water in Environmental Monitoring. Chapman and Hall, 1992.
Warning: These citations may not always be 100% accurate.