@book{5671,
	author = {Howland , Richard H. and Hermanson , Roger H.},
	title = {Programmed Learning Aid for Principles of Salesmanship /},
	publisher = {Dow Jones Irwin,},
	year = {1978},
	series = {Dow Jones Irwin Programmed Learning Aid Series.},
	address = {Homewood, lll. :},
	note = {Includes Index.}
}