Fitzsimmons, J. A. (2004). Service management. McGraw-Hill.
Dyfyniad Arddull ChicagoFitzsimmons, James A. Service Management. McGraw-Hill, 2004.
Dyfyniad MLAFitzsimmons, James A. Service Management. McGraw-Hill, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.