APA (7th ed.) Zitazioa
ebrary, Inc. (2005). Approaches to private participation in water services: A toolkit. World Bank.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. Approaches to Private Participation in Water Services: A Toolkit. Washington, D.C.: World Bank, 2005.
MLA (9th ed.) Zitazioa
ebrary, Inc. Approaches to Private Participation in Water Services: A Toolkit. World Bank, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.