(2004). Water, sanitation and health electronic library: A compendium of information on water, sanitation and health (3. edition, version 3.0.). Geneva: World Health Organization.
Citación estilo ChicagoWater, Sanitation and Health Electronic Library: A Compendium of Information On Water, Sanitation and Health. 3. edition, version 3.0. Geneva: World Health Organization, 2004.
Cita MLAWater, Sanitation and Health Electronic Library: A Compendium of Information On Water, Sanitation and Health. 3. edition, version 3.0. Geneva: World Health Organization, 2004.
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