Fitzsimmons, J. A. (2006). Service management [ada CD]operations, strategy, and information technologyJames A. Fitzsimmons, Mona J. Fitzsimmons. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Fitzsimmons, James A. Service Management [ada CD]operations, Strategy, and Information TechnologyJames A. Fitzsimmons, Mona J. Fitzsimmons. McGraw-Hill, 2006.
Lua MLA (8ú heag.)Fitzsimmons, James A. Service Management [ada CD]operations, Strategy, and Information TechnologyJames A. Fitzsimmons, Mona J. Fitzsimmons. McGraw-Hill, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.