Mora, D. (1989). Guidelines for the safe of wastewater and excreta in agriculture and aquaculture: Measures for public health protection. World Health Organization.
Cita Chicago (17th ed.)Mora, Duncan. Guidelines for the Safe of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. World Health Organization, 1989.
Cita MLA (9th ed.)Mora, Duncan. Guidelines for the Safe of Wastewater and Excreta in Agriculture and Aquaculture: Measures for Public Health Protection. World Health Organization, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.