APA (7th ed.) Zitazioa
(2011). Affordable land and housing in Africa. United Nations Human Settlements Programme.
Chicago Style (17th ed.) Zitazioa
Affordable Land and Housing in Africa. Nairobi, Kenya: United Nations Human Settlements Programme, 2011.
MLA (9th ed.) Zitazioa
Affordable Land and Housing in Africa. United Nations Human Settlements Programme, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.