Drucker, Peter Ferdinand, Management: tasks, responsibilities, practices [by] Peter F. Drucker. - New York Harper Colophon Books 1985 - xii, 839 p. Bibliography: p. 813-818. ISBN: 0060912073 LCCN: 72079655 Subjects--Topical Terms: Management LC Class. No.: HD31 / .D773 1985 Dewey Class. No.: 658.4