Zeithaml, V. A., & Bitner, M. J. (2003). Services marketing (3rd ed.). McGraw-Hill-Irwin.
Cita Chicago Style (17a ed.)Zeithaml, Valarie A., y Mary Jo Bitner. Services Marketing. 3rd ed. Boston [etc.]: McGraw-Hill-Irwin, 2003.
Cita MLA (9a ed.)Zeithaml, Valarie A., y Mary Jo Bitner. Services Marketing. 3rd ed. McGraw-Hill-Irwin, 2003.
Precaución: Estas citas no son 100% exactas.