Ries, Al. <br/><br/>
Bottom-up marketing /  [electronic resource]  
by Al Ries, Jack Trout. 
 - Repr. 
 - New York, N.Y., [etc.] :  Plume,  1990. 
 - XIV, 226 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>0452264189 9780452264182