Kunas, M. (2012). Implementing service quality based on ISO/IEC 20000: A management guide (Third edition.). IT Governance Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKunas, Michael. Implementing Service Quality Based on ISO/IEC 20000: A Management Guide. Third edition. Ely, Cambridgeshire: IT Governance Publishing, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKunas, Michael. Implementing Service Quality Based on ISO/IEC 20000: A Management Guide. Third edition. IT Governance Publishing, 2012.
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