Johnston, Mark W. <br/><br/>
Churchill [ford ] Walkers :  sales force management / 
Mark W. Johnston, Greg W. Marshall 
 - Boston :  McGraw-Hill,  2003       
 - xx, 603 p. 
<br/><br/><label>ISBN: </label>0072466480 
<br/><br/><label>LC Class. No.: </label>HF 5438.4 J73c 2003