Dyche, J. (2013). The CRM Handbook: A Business Guide to Customer Relationship Management. Pearson Education India Pvt. Ltd.
Dyfyniad Arddull ChicagoDyche, Jill. The CRM Handbook: A Business Guide to Customer Relationship Management. New Delhi: Pearson Education India Pvt. Ltd, 2013.
Dyfyniad MLADyche, Jill. The CRM Handbook: A Business Guide to Customer Relationship Management. Pearson Education India Pvt. Ltd, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.