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.
Style de citation Chicago (17e éd.)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.
Style de citation MLA (8e éd.)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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