Walker, Gordon. <br/><br/>
Modern competitive strategy / 
by Gordon, Walker. 
 - 2nd ed. 
 - America :  McGraw Hill Education,  2007. 
 - xiv, 346 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>9780071254403 (pbk.) 0071254404 (pbk.) 
<br/><br/><label>Dewey Class. No.: </label>658.4012  / WAL