Churchill, Gilbert A. Sales force management : planning, implementation, and control / Gilbert A. Churchill, Jr., Neil M. Ford, Orville C. Walker, Jr. - 3rd ed. - Homewood, IL : Irwin, c1990. - xviii, 845 p. : ill. ; 24 cm. - The Irwin series in marketing . Includes bibliographical references and index. ISBN: 0256080046 LCCN: 89033044 Subjects--Topical Terms: Sales management. LC Class. No.: HF5438.4 / .C47 1990 Dewey Class. No.: 658.8/101