APA (7th ed.) Zitazioa

World Bank & Guasch, J. L. (2007). Quality systems and standards for a competitive edge. World Bank.

Chicago Style (17th ed.) Zitazioa

World Bank eta J. Luis Guasch. Quality Systems and Standards for a Competitive Edge. Washington, D.C.: World Bank, 2007.

MLA (9th ed.) Zitazioa

World Bank eta J. Luis Guasch. Quality Systems and Standards for a Competitive Edge. World Bank, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.