APA (7th ed.) Zitazioa
(2011). Cities and climate:Global report on human settlement 2011: United Nations human settelement programme. Earthscan..
Chicago Style (17th ed.) Zitazioa
Cities and Climate:Global Report on Human Settlement 2011: United Nations Human Settelement Programme. London: Earthscan., 2011.
MLA (9th ed.) Zitazioa
Cities and Climate:Global Report on Human Settlement 2011: United Nations Human Settelement Programme. Earthscan., 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.