Spiro, Rosann L. Management of a sales force / Rosann L. Spiro. - 12th ed. / Rosann L. Spiro, Gregory A. Rich, William J. Stanton.. - Boston ; London : McGraw-Hill, 2008. - xxiii, 584 p. : ill. ; 26 cm. Includes index. ISBN: 9780071259446 Subjects--Topical Terms: Sales management .Relationship marketing. Dewey Class. No.: 658.81 S R M 221