Cristin Anderson and Carol Kerr. (2002). Customer relationship management. Tata McGraw-Hill.
Dyfyniad Arddull ChicagoCristin Anderson and Carol Kerr. Customer Relationship Management. New Delhi: Tata McGraw-Hill, 2002.
Dyfyniad MLACristin Anderson and Carol Kerr. Customer Relationship Management. Tata McGraw-Hill, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.