Greenberg, Herbert M <br/><br/>
The successful salesman  man and his manager 
/ by Herbert M. Greenberg, in collaboration with Ronald Lawrence Bern 
 - Auerbach Publishers : Philadelphia  1972 
 - 160 p. 25 cm. 
<br/><br/><label>ISBN: </label>0877691355 
<br/><br/><label>LCCN: </label>72-079977 //r86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sales personnel