Drucker, Peter F. <br/><br/>
Management :  tasks, responsibilities, practices / 
Peter F. Drucker. 
 - London :  Heinemann,  c2007. 
 - xvi, 839 p. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>1412806275 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supervision<br/>Management.