@book{140673,
	author = {Sheth, Jagdish N. and Gardner, David Morgan,},
	title = {Marketing theory :},
	publisher = {Wiley,},
	year = {c1988.},
	address = {New York :},
	note = {includes index.},
	url = {http://www.loc.gov/catdir/description/wiley033/88010162.html}
}