Wortman, Max Sidones, 1932- Defining the manager's job : a manual of position descriptions / Max S. Wortman, Jr., JoAnn Sperling. - 2d ed. - New York : AMACOM, [1975] - ix, 434 p. ; 24 cm. First ed. by C. L. Bennet published in 1958. Includes index. ISBN: 0814453775 LCCN: 75019253 LC Class. No.: HD38 .W63 1975 / .W63 1975 Dewey Class. No.: 658.4/0023