Sommers, Montrose S. <br/><br/>
Comparative marketing systems 

 - New York  Appleton-Century-Crofts  1968 
 - 479p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing
<br/><br/><label>LC Class. No.: </label>HF5415.S69