Mora, D. (1989). Guidelines for the safe of wastewater and excreta in agriculture and aquaculture: Measures for public health protection. World Health Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)Mora, Duncan. Guidelines for the Safe of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. World Health Organization, 1989.
Παραπομπή σε μορφή MLA (9th εκδ.)Mora, Duncan. Guidelines for the Safe of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. World Health Organization, 1989.
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