Fitzsimmons, J. A. (2004). Service managementoperations, strategy, and information technologyJames A. Fitzsimmons, Mona J. Fitzsimmons. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFitzsimmons, James A. Service Managementoperations, Strategy, and Information TechnologyJames A. Fitzsimmons, Mona J. Fitzsimmons. McGraw-Hill, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFitzsimmons, James A. Service Managementoperations, Strategy, and Information TechnologyJames A. Fitzsimmons, Mona J. Fitzsimmons. McGraw-Hill, 2004.
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