Covey, Stephen R. <br/><br/>
Principle-centered leadership 
Stephen R. Covey. 
 - New York  Fireside  1991 
 - 335p.  22cm. 
<br/><br/> Include index. 
<br/><br/><label>ISBN: </label>0671792806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leadership.<br/>Success in business.<br/>Success-Psychological Aspects.