United Nations Human Settlements Programme. (2006). Meeting development goals in small urban centres: Water and sanitation in the world's cities, 2006. Earthscan.
Chicago-referens (17:e uppl.)United Nations Human Settlements Programme. Meeting Development Goals in Small Urban Centres: Water and Sanitation in the World's Cities, 2006. London: Earthscan, 2006.
MLA-referens (9:e uppl.)United Nations Human Settlements Programme. Meeting Development Goals in Small Urban Centres: Water and Sanitation in the World's Cities, 2006. Earthscan, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.