@book{50500,
	author = {Schellinck, Douglas Anton, 1949- and Maddox, R. N. (Raymond Neil), 1938-},
	title = {Marketing research : a computer assisted approach /},
	publisher = {Dryden Press},
	year = {1987},
	series = {The Dryden Press series in marketing},
	address = {New York :}
}