Cita APA (7th ed.)
UN-HABITAT. (2003). The challenge of slums: Global report on human settlements. Earthscan.
Cita Chicago (17th ed.)
UN-HABITAT. The Challenge of Slums: Global Report on Human Settlements. London: Earthscan, 2003.
Cita MLA (9th ed.)
UN-HABITAT. The Challenge of Slums: Global Report on Human Settlements. Earthscan, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.