World Health organization International water and Sanitation centre Water Supply and Sanitation coolaborative Council. (2000). Operation and maintenance of rural water supply and sanitation systems: A training package for managers and planners. World Health Organization.
Style de citation Chicago (17e éd.)World Health organization International water and Sanitation centre Water Supply and Sanitation coolaborative Council. Operation and Maintenance of Rural Water Supply and Sanitation Systems: A Training Package for Managers and Planners. Geneva: World Health Organization, 2000.
Style de citation MLA (8e éd.)World Health organization International water and Sanitation centre Water Supply and Sanitation coolaborative Council. Operation and Maintenance of Rural Water Supply and Sanitation Systems: A Training Package for Managers and Planners. World Health Organization, 2000.