Drucker, Peter F. 1909-2005.
Management: tasks, responsibilities, practices /
Peter F. Drucker 
. - New York : Harper & Row, Publishers,  1974 
. - xvi, 839 p.  24 cm. 
<br/>К.: Бібліогр. : c. 813-818, Index 
<br/><label>  ISBN: </label>0-06-011092-9