Fitzsimmons, J. A. (2004). Service managementoperations, strategy, and information technologyJames A. Fitzsimmons, Mona J. Fitzsimmons. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Fitzsimmons, James A. Service Managementoperations, Strategy, and Information TechnologyJames A. Fitzsimmons, Mona J. Fitzsimmons. McGraw-Hill, 2004.
Lua MLA (8ú heag.)Fitzsimmons, James A. Service Managementoperations, Strategy, and Information TechnologyJames A. Fitzsimmons, Mona J. Fitzsimmons. McGraw-Hill, 2004.
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