Sayles, Leonard R. <br/><br/>
Leadership :  what effective managers really do ... and how they do it / 
Leonard R. Sayles 
 - Grolier ed. 
 - [S. l] :  Grolier Incorporated,  1987 
 - xv, 223 p. :  ill. ;  24 cm. 
 - Grolier business library ;  19 .
<br/><br/><label>ISBN: </label>0717285111