@book{61222,
	author = {Wentz, Walter B. and Eyrich, Gerald I.,},
	title = {Marketing: theory and application /},
	publisher = {Harcourt, Brace & World,},
	year = {c1970},
	series = {Harbrace series in business and economics},
	address = {New York :},
	note = {Includes index}
}