Ries, Al <br/><br/>
Marketing warfare / 
Al Ries and Jack Trout 
 - New York :  McGraw-Hill,  1986 
 - viii, 216 p. :  ill., map ;  21 cm 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>007052730X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing<br/>Competition