World Bank & Guasch, J. L. (2007). Quality systems and standards for a competitive edge. World Bank.
Cita Chicago (17th ed.)World Bank i J. Luis Guasch. Quality Systems and Standards for a Competitive Edge. Washington, D.C.: World Bank, 2007.
Cita MLA (9th ed.)World Bank i J. Luis Guasch. Quality Systems and Standards for a Competitive Edge. World Bank, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.