Covey, Stephen R. <br/><br/>
Principle-centered leadership / 
Stephen R. Covey. 
 - London :  Pocket books,  c1991. 
 - 332 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0743468600 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Success in management.<br/>Success--Psychological aspects.
<br/><br/><label>LC Class. No.: </label>BF637  / .C69  / L4