Drucker, Peter Ferdinand, The effective executive Peter F. Drucker. - 1st Harper colophon ed. - New York Harper & Row 1985, c1967. - viii, 178 p. 21 cm. - Harper colophon books . Includes index. ISBN: 006091209X (pbk.) 6.95 LCCN: 84048156 Subjects--Topical Terms: Executives--United States.Decision making LC Class. No.: HD38.25.U6 / D78 1985 Dewey Class. No.: 658.4