Fitzsimmons, J. A. (2008). Service management: Operation,strategy,Information technology (6th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Fitzsimmons, James A. Service Management: Operation,strategy,Information Technology. 6th ed. 1221 Avenue of the Americas, NY: McGraw-Hill, 2008.
Lua MLA (9ú heag.)Fitzsimmons, James A. Service Management: Operation,strategy,Information Technology. 6th ed. McGraw-Hill, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.