World Health Organization Unite Nations Environment Programme FAO. (2006). Who guidelines for the safe use of water, excreta and greywater: Wastewater use in agriculture. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization Unite Nations Environment Programme FAO. Who Guidelines for the Safe Use of Water, Excreta and Greywater: Wastewater Use in Agriculture. Geneva: World Health Organization, 2006.
Citatione MLA (8a ed.)World Health Organization Unite Nations Environment Programme FAO. Who Guidelines for the Safe Use of Water, Excreta and Greywater: Wastewater Use in Agriculture. World Health Organization, 2006.
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