APA-viite (7. p.)
United Nations Human Settlements Programme & ebrary, Inc. (2003). The challenge of slums: Global report on human settlements, 2003. Earthscan Publications.
Chicago-viite (17. p.)
United Nations Human Settlements Programme ja Inc ebrary. The Challenge of Slums: Global Report on Human Settlements, 2003. London ; Sterling, VA: Earthscan Publications, 2003.
MLA-viite (9. p.)
United Nations Human Settlements Programme ja Inc ebrary. The Challenge of Slums: Global Report on Human Settlements, 2003. Earthscan Publications, 2003.
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