Rai, A. K. (2008). Customer relationship management: Concepts and cases. PHI Learning.
Chicago ZitierstilRai, Alok Kumar. Customer Relationship Management: Concepts and Cases. New Delhi: PHI Learning, 2008.
MLA ZitierstilRai, Alok Kumar. Customer Relationship Management: Concepts and Cases. PHI Learning, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.