@book{141300,
	author = {Beckman, Theodore N., and Davidson, William R.},
	title = {Marketing /},
	publisher = {Ronald Press Co.,},
	year = {c1962.},
	address = {New York :},
	edition = {7th ed.},
	note = {Previous editions, by Harold H. Maynard and others, published under title: Principles of marketing.}
}