Management of the sales force/  English. 
William J. Stanton, Richard H. Buskirk. 
 - 4th Ed. 
 - London:  Richard D. Irwin Inc,  1974. 
 - xv,790p.:  ill;  24cm. 
<br/><br/><label>ISBN: </label>0256015708 
<br/><br/><label>Dewey Class. No.: </label>658.8.2  / STA