United Nations Human Settlements Programme (UN-HABITAT). (2008). State of the world's cities. 2008/2009: Harmonious cities.
芝加哥风格引文United Nations Human Settlements Programme (UN-HABITAT). State of the World's Cities. 2008/2009: Harmonious Cities. London, UK ; Earthscan, 2008.
MLA引文United Nations Human Settlements Programme (UN-HABITAT). State of the World's Cities. 2008/2009: Harmonious Cities. 2008.
警告：这些引文格式不一定是100％准确.