David A Aaker <br/><br/>
Brand portfolio strategy  creating relevance, differentiation, energy, leverage, and clarity 
David A Aaker 
 - 1st. 
 - New York  Free Press  2004 
<br/><br/><label>ISBN: </label>9781982146528 
<br/><br/><label>Dewey Class. No.: </label>658.82  / 5287