International Institute for Environment and Development. Human Settlements Programme & International Institute for Environment and Development--Latin America. (2015). Environment and urbanization: Sanitation and drainage in cities II. Human Settlements Programme, International Institute for Environment and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Institute for Environment and Development. Human Settlements Programme و International Institute for Environment and Development--Latin America. Environment and Urbanization: Sanitation and Drainage in Cities II. London: Human Settlements Programme, International Institute for Environment and Development, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Institute for Environment and Development. Human Settlements Programme و International Institute for Environment and Development--Latin America. Environment and Urbanization: Sanitation and Drainage in Cities II. Human Settlements Programme, International Institute for Environment and Development, 2015.