World Bank & Guasch, J. L. (2007). Quality systems and standards for a competitive edge. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Bank और J. Luis Guasch. Quality Systems and Standards for a Competitive Edge. Washington, D.C.: World Bank, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWorld Bank और J. Luis Guasch. Quality Systems and Standards for a Competitive Edge. World Bank, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.