Covey, Stephen R. <br/><br/>
Principle-Centered Leadership / 
Stephen R. Covey 
 - Rawalpindi :  S.B.C,  2004. 
 - 332 p. ; 
<br/><br/> Hardcover. 
<br/><br/><label>ISBN: </label>0671711350 
<br/><br/><label>Dewey Class. No.: </label>158.4  / COV