United Nations Human Settlements Programme. (2006). Meeting development goals in small urban centres: Water and sanitation in the world's cities, 2006. Earthscan.
Citazione stile Chigago Style (17a edizione)United Nations Human Settlements Programme. Meeting Development Goals in Small Urban Centres: Water and Sanitation in the World's Cities, 2006. London: Earthscan, 2006.
Citatione MLA (9a ed.)United Nations Human Settlements Programme. Meeting Development Goals in Small Urban Centres: Water and Sanitation in the World's Cities, 2006. Earthscan, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.