Leadership : 4 competencies for success 
Portnoy, Robert A. 
 -  Prentice Hall.  1999 
 - xv, 220 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-13-921495-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leadership.
<br/><br/><label>Dewey Class. No.: </label>GS 658.4092 P67l 1999