Zeithaml, V. A. (2013). Services marketing: Integrating customer focus across the firm 7th ed. Mc GrawHill.
Chicago-Zitierstil (17. Ausg.)Zeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm 7th Ed. Mc GrawHill, 2013.
MLA-Zitierstil (8. Ausg.)Zeithaml, Valarie A. Services Marketing: Integrating Customer Focus Across the Firm 7th Ed. Mc GrawHill, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.