@book{141411,
	author = {Aaker, David A. and Kumar, V.,},
	title = {Marketing research /},
	publisher = {Wiley,},
	year = {c2001.},
	address = {New York :},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/description/wiley0310/00035933.html}
}