Roberts-Phelps, G. (2004). Customer relationship management: How to turn a good business into a great one.
Styl ChicagoRoberts-Phelps, Graham. Customer Relationship Management: How to Turn a Good Business into a Great One. Viva Books Pvt. Ltd., New Delhi, 2004.
Citace podle MLARoberts-Phelps, Graham. Customer Relationship Management: How to Turn a Good Business into a Great One. 2004.
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