APA (7th ed.) Zitazioa
United Nations Centre for Human Settlements. (1990). Developing a national shelter strategy. United Nations Centre for Human Settlements.
Chicago Style (17th ed.) Zitazioa
United Nations Centre for Human Settlements. Developing a National Shelter Strategy. Nairobi: United Nations Centre for Human Settlements, 1990.
MLA (9th ed.) Zitazioa
United Nations Centre for Human Settlements. Developing a National Shelter Strategy. United Nations Centre for Human Settlements, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.