Lajpat Rai Sales management concepts, practices, and cases Engene M. Johnson, David L. Kurtz; Eberhard E. Scheuing. - 2nd ed. - New York McGraw Hill Book [n.d.] - xxi, 564p., 24cm - (McGraw-Hill seriew in marketing) . ISBN: 0-07-113402-6. Dewey Class. No.: 658.81 / J50S