FITZSIMMONS, J. A., & FITZSIMMONS, M. J. (2004). Service management: Operation, strategy, and information technology.-- ed.4. Irwin McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)FITZSIMMONS, James A., agus Mona J. FITZSIMMONS. Service Management: Operation, Strategy, and Information Technology.-- Ed.4. Boston: Irwin McGraw-Hill, 2004.
Lua MLA (9ú heag.)FITZSIMMONS, James A., agus Mona J. FITZSIMMONS. Service Management: Operation, Strategy, and Information Technology.-- Ed.4. Irwin McGraw-Hill, 2004.
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