Calvin, Robert J. <br/><br/>
Sales management/ 
Robert J. Calvin 
 - McGraw-Hill,   c2001. 
 - v, 253 p. ;   22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0-07-141778-8 
<br/><br/><label>Dewey Class. No.: </label>Circ. 658.8 C139s 2001