Ries, Al. <br/><br/>
Positioning :  the battle for your mind / 
Al Ries, Jack Trout. 
 - viii, 213 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>9780071373586 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Positioning (Advertising)