@book{31393,
	author = {Harris, E. Edward. and Dorr, Eugene L.},
	title = {Investigación de mercados /},
	publisher = {McGraw-Hill,},
	year = {1983.},
	series = {Curso practico de mercadotecnia McGraw-Hill ;},
	address = {Mexico :},
	edition = {2a ed.}
}