Denton, D. K. (1989). Quality service: How America's top companies are competing in the customer-service revolution ... and how you can too. Gulf Publ. Comp.
Chicago-Zitierstil (17. Ausg.)Denton, D. K. Quality Service: How America's Top Companies Are Competing in the Customer-service Revolution ... and How You Can Too. Houston u.a: Gulf Publ. Comp, 1989.
MLA-Zitierstil (9. Ausg.)Denton, D. K. Quality Service: How America's Top Companies Are Competing in the Customer-service Revolution ... and How You Can Too. Gulf Publ. Comp, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.