Drucker, Peter F, 1909-2005. Management : tasks, responsibilities, practices / [by] Peter F. Drucker. - 1st ed. - New York : Harper & Row ; 1974. - xvi, 839 p. ; 24 cm. (Bibliography: p. (813-818. LCCN: 72079655 Subjects--Topical Terms: Management. LC Class. No.: HD31 / .D773 1974 Dewey Class. No.: 658.4 / DPM