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-referens (17:e uppl.)United Nations Development Programme och 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-referens (8:e uppl.)United Nations Development Programme och Madhab B. Mathema. Environmental Problems of Urbanization and Industrialization, the Existing Situation and the Future Direction: Final Report. Environmental Management Action Group, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.