Ingram, Thomas N. <br/><br/>
Professional selling :  trust-based approach / 
Thomas N. Ingram  
 - 4th edition 
 - Mason, OH :  Thomson South-Western,  2008. 
 - xxviii, 432 pages :  illustrations ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780324538090 032453809X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selling.<br/>Customer relations.<br/>Sales personnel--Training of.<br/>Sales management.<br/>Relationship marketing.