Santiago, Chile, & Pan American Center for Sanitary Engineering and Environmental Sciences, CEPIS. (1994). Drinking water supply and sanitary disposal of excreta in marginal urban areas: [proceedings]. Pan American Health Organization, Pan American Sanitary Bureau, Regional Office of the World Health Organization.
Cita Chicago Style (17a ed.)Santiago, Chile, y CEPIS Pan American Center for Sanitary Engineering and Environmental Sciences. Drinking Water Supply and Sanitary Disposal of Excreta in Marginal Urban Areas: [proceedings]. [S.l.]: Pan American Health Organization, Pan American Sanitary Bureau, Regional Office of the World Health Organization, 1994.
Cita MLA (9a ed.)Santiago, Chile, y CEPIS Pan American Center for Sanitary Engineering and Environmental Sciences. Drinking Water Supply and Sanitary Disposal of Excreta in Marginal Urban Areas: [proceedings]. Pan American Health Organization, Pan American Sanitary Bureau, Regional Office of the World Health Organization, 1994.