Phelps, Dudley Maynard, 1897- Marketing management, [electronic resource] / by D. Maynard Phelps and J. Howard Westing.. — 3d ed.. — Homewood, Ill., : R.D. Irwin,, 1968.. — xv, 925 p. : illus. 24 cm.
First ed. published in 1951 under title: Sales management: policies and procedures.