Jack  Trout. <br/><br/>
The  New positining  The  New positining  Textual Documents 

 - 1996. 
 - [s.l]:  Mc Graw- Hill 
 - 173:  paper. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label>659.1  / PRO