Payne A <br/><br/>
Relationship marketing for competitive advantage: Winning and keeping customers 
Payne A; Christopher M And Others 
 - London  London, Butterworth Heinemann  1995 
 - 304p 
<br/><br/><label>ISBN: </label>0-7506-2020-X 
<br/><br/><label>Source: </label>Textbook