APA (7th ed.) Zitazioa
Guasch, J. L. (2007). Quality systems and standards for a competitive edge. World Bank.
Chicago Style (17th ed.) Zitazioa
Guasch, J. Luis. Quality Systems and Standards for a Competitive Edge. Washington, D.C.: World Bank, 2007.
MLA (9th ed.) Zitazioa
Guasch, J. Luis. Quality Systems and Standards for a Competitive Edge. World Bank, 2007.
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