Mara, D. D., & Cairncross, S. (1989). Guidelines for the safe use of wastewater and excreta in agriculture and aquaculture: Measures for public health protection. World Health Organization.
Chicago Style (17th ed.) CitationMara, D. Duncan, and Sandy Cairncross. Guidelines for the Safe Use of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. Geneva: World Health Organization, 1989.
MLA (9th ed.) CitationMara, D. Duncan, and Sandy Cairncross. Guidelines for the Safe Use of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. World Health Organization, 1989.
Warning: These citations may not always be 100% accurate.