Johnston, Mark W. <br/><br/>
Churchill/Ford/Walker's sales force management / 
Mark W. Johnston, Greg W. Marshall. 
 - 9th  ed. 
 - New Delhi :  Tata McGraw-Hill,  2009. 
 - xxiv, 537  p. 
<br/><br/><label>ISBN: </label>0070080550 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sales Management.