Sinek, S. <br/><br/>
Start with why 

 - USA:  Penguin Book,  2009. 
 - 246p.:  ill.;  20cm. 
<br/><br/> Includes index  
<br/><br/>Includes bibliographical references  
<br/><br/><label>ISBN: </label>9780241958223 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Startup <br/>Innovation<br/>Business
<br/><br/><label>Dewey Class. No.: </label>658.4  / SIN