Kausen, R. C. (1988). Customer satisfaction guaranteed: A new approach to customer service, bedside manner, and relationship ease. Life Education.
Chicago-Zitierstil (17. Ausg.)Kausen, Robert C. Customer Satisfaction Guaranteed: A New Approach to Customer Service, Bedside Manner, and Relationship Ease. Trinity Center, CA: Life Education, 1988.
MLA-Zitierstil (9. Ausg.)Kausen, Robert C. Customer Satisfaction Guaranteed: A New Approach to Customer Service, Bedside Manner, and Relationship Ease. Life Education, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.