Ries, Al <br/><br/>
Positioning:   the battle for your mind 

 - USA  Warner Books  1982 
 - 213 p. 
<br/><br/>   
<br/><br/><label>ISBN: </label>070993004958 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Positioning (Advertising)
<br/><br/><label>Dewey Class. No.: </label>659.1  / RIE