Covey R. Stephen . <br/><br/>
The seven habits of highly effective people :  restoring the character ethic / 
Stephen R. Covey. 
 - New York :  Simon and Schuster,  c1989. 
 - 340 p; 
<br/><br/><label>ISBN: </label>0671663984 : 
<br/><br/><label>LCCN: </label>0 
<br/><br/><label>Dewey Class. No.: </label>158.1COV/1989