Newell, F. (2000). Loyalty.com customer relationship management in the new era of internet marketing. McGraw-Hill.
Dyfyniad Arddull ChicagoNewell, Frederick. Loyalty.com Customer Relationship Management in the New Era of Internet Marketing. McGraw-Hill, 2000.
Dyfyniad MLANewell, Frederick. Loyalty.com Customer Relationship Management in the New Era of Internet Marketing. McGraw-Hill, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.