Johnston, Mark W. Churchill/Ford/Walker's sales force management / Mark W. Johnston and Greg W. Marshall. - 9th ed. - New Delhi : McGraw-Hill/Irwin, c2009 [2015].. - xxiii, 537 pages : illustrations ; 26 cm. - Mcgraw-Hill/Irwin series in marketing. . Includes bibliographical references and indexes. ISBN: 9780070080553 0070080550 Subjects--Topical Terms: Sales management. Dewey Class. No.: 658.81 JOH