Citazione Stile APA (7a Edizione)
United Nations Human Settlements Programme (UN-HABITAT). (2008). State of the world's cities. 2008/2009: Harmonious cities.
Citazione stile Chigago Style (17a edizione)
United Nations Human Settlements Programme (UN-HABITAT). State of the World's Cities. 2008/2009: Harmonious Cities. London, UK ; Earthscan, 2008.
Citatione MLA (9a ed.)
United Nations Human Settlements Programme (UN-HABITAT). State of the World's Cities. 2008/2009: Harmonious Cities. 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.