APA (7th ed.) Zitazioa
World Bank, International Finance Corporation, & ebrary, Inc. (2009). Doing business 2010. World Bank.
Chicago Style (17th ed.) Zitazioa
World Bank, International Finance Corporation, eta Inc ebrary. Doing Business 2010. Washington, D.C.: World Bank, 2009.
MLA (9th ed.) Zitazioa
World Bank, et al. Doing Business 2010. World Bank, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.