Leffler, Marvin <br/><br/>
How to become a successful manufacturer's representatives / 
by Marvin Leffler. 
 - Englewood Cliffs, NJ :  Prentice-Hall,  c1952. 
 - xii, 218 p. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commission merchants