United Nations. (2006). Urban agglomerations 2005. United Nations.
Cita Chicago Style (17a ed.)United Nations. Urban Agglomerations 2005. States United of America: United Nations, 2006.
Cita MLA (9a ed.)United Nations. Urban Agglomerations 2005. United Nations, 2006.
Precaución: Estas citas no son 100% exactas.