Sinek, Simon. <br/><br/>
Start with Why:  How Great Leaders Inspire Everyone to Take Action/ 
Simon Sinek. 
 - USA:  Penguin Random House,  c2009. 
 - x, 246p.  
<br/><br/><label>ISBN: </label>9780241958223 
<br/><br/><label>Dewey Class. No.: </label>153.8  / SinS