Nanus, Burt. <br/><br/>
The leader's edge :  : the seven keys to leadership in a turbulent world / 
/ Burt Nanus. 
 - Chicago :  : Contemporary Books,  , c1989. 
 - xiv, 224 p. :  : ill. ;  ; 24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 211-215. 
<br/><br/><label>ISBN: </label>0809244209 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leadership.