United Nations (Estados Unidos), & Department for Economic and Social Information and Policy Analysis Population Division. (1995). The Challenge of Urbanization: The World's Large Cities. New York, NY US: United Nations.
Citación estilo ChicagoUnited Nations (Estados Unidos), y Department for Economic and Social Information and Policy Analysis Population Division. The Challenge of Urbanization: The World's Large Cities. New York, NY US: United Nations, 1995.
Cita MLAUnited Nations (Estados Unidos), y Department for Economic and Social Information and Policy Analysis Population Division. The Challenge of Urbanization: The World's Large Cities. New York, NY US: United Nations, 1995.
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