Water, Sanitation, and Health Programme (World Health Organization). (2008). Water, sanitation and health electronic library: A compendium of information on water, sanitation, and health (5th ed.). Water, Sanitation, and Health Programme, World Health Organization.
Cita Chicago (17th ed.)Water, Sanitation, and Health Programme (World Health Organization). Water, Sanitation and Health Electronic Library: A Compendium of Information on Water, Sanitation, and Health. 5th ed. Geneva, Switzerland: Water, Sanitation, and Health Programme, World Health Organization, 2008.
Cita MLA (9th ed.)Water, Sanitation, and Health Programme (World Health Organization). Water, Sanitation and Health Electronic Library: A Compendium of Information on Water, Sanitation, and Health. 5th ed. Water, Sanitation, and Health Programme, World Health Organization, 2008.