Johnston, Mark W. <br/><br/>
Relationship selling / Mark W. Johnston, Greg W. Marshall.- 2nd ed 

 - Boston : McGraw-Hill/Irwin, c2008. 
 - xxvii, 446 p. : col. ill. ; 26 cm. 
<br/><br/><label>ISBN: </label>9780071274715  (pbk : international edition) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selling. 
<br/><br/><label>Dewey Class. No.: </label>658.85 JOH