Sindh population surges by 81.5 pc, households by 83.9 pc [online]. Thenews.com.pk, 2 April 2012, [cit. 2013-04-21]. Dostupné online.
tribune.com.pk
Population explosion: Put an embargo on industrialisation in Karachi [online]. http://tribune.com.pk, 6 October 2013, [cit. 2014-01-17]. Dostupné online.
un.org
esa.un.org
World Urbanization Prospects, 2009 revision (online data) [online]. [Cit. 2011-05-11]. Dostupné online. Archivované 2013-10-31 z originálu.
web.archive.org
World Urbanization Prospects, 2009 revision (online data) [online]. [Cit. 2011-05-11]. Dostupné online. Archivované 2013-10-31 z originálu.
GAWC World Cities Ranking List [online]. Diserio.com, [cit. 2009-09-14]. Dostupné online. Archivované 2010-02-22 z originálu.