APA (7th ed.) Zitazioa
(1989). Urbanization and sustainable development in the Third World. United Nations Centre for Human Settlement (Habitat).
Chicago Style (17th ed.) Zitazioa
Urbanization and Sustainable Development in the Third World. Nairobi: United Nations Centre for Human Settlement (Habitat), 1989.
MLA (9th ed.) Zitazioa
Urbanization and Sustainable Development in the Third World. United Nations Centre for Human Settlement (Habitat), 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.