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.
Chicago-viite (17. p.)United Nations Development Programme ja 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.
MLA-viite (8. p.)United Nations Development Programme ja 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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