Koontz, Harold, 1908- Essentials of management / Harold Koontz, Heinz Weihrich. - 5th ed. - New York : McGraw-Hill, c1990. - xxv, 530 p. : ill. ; 24 cm. - McGraw-Hill series in management . Includes bibliographical references and indexes. ISBN: 007035605X : $25.95 LCCN: 89012444 Subjects--Topical Terms: Management. LC Class. No.: HD31 / .K62 1990 Dewey Class. No.: 658.4