Covey, Stephen R. <br/><br/>
Principle-centered leadership / 
by Stephen R. Covey. 
 - New York, N.Y. :  A Fireside Book,  1992. 
 - 334 p. 
<br/><br/> Includes index.  Contents : Personal and interpersonal effectiveness--Managerial and organizational development. 
<br/><br/><label>ISBN: </label>0671792806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Success--Psychological aspects.<br/>Success in business.<br/>Leadership.