United Nations Human Settlements Programme. (2006). Meeting development goals in small urban centres: Water and sanitation in the world's cities, 2006. Earthscan.
Citação norma ChicagoUnited Nations Human Settlements Programme. Meeting Development Goals in Small Urban Centres: Water and Sanitation in the World's Cities, 2006. London: Earthscan, 2006.
Citação norma MLAUnited Nations Human Settlements Programme. Meeting Development Goals in Small Urban Centres: Water and Sanitation in the World's Cities, 2006. Earthscan, 2006.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.