@book{15469,
	author = {Phelps, Dudley Maynard. and Westing, J. Howard},
	title = {Marketing management /},
	publisher = {R.D. Irwin,},
	year = {1968.},
	address = {Homewood, Ill.,},
	edition = {3d ed.},
	note = {First ed. published in 1951 under title: Sales management: policies and procedures.}
}