United Nations Development Programme & Mathema, M. B. (1992). Environmental problems of urbanization and industrialization, the existing situation and the future direction: Final report. Environmental Management Action Group.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Development Programme και Madhab B. Mathema. Environmental Problems of Urbanization and Industrialization, the Existing Situation and the Future Direction: Final Report. Kathmandu, Nepal: Environmental Management Action Group, 1992.
Παραπομπή σε μορφή MLA (8th εκδ.)United Nations Development Programme και Madhab B. Mathema. Environmental Problems of Urbanization and Industrialization, the Existing Situation and the Future Direction: Final Report. Environmental Management Action Group, 1992.
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