@book{31397,
	author = {Fischer de la Vega, Laura. and Navarro Vega, Alma.},
	title = {Introducción a la Investigación de mercados /},
	publisher = {McGraw-Hill,},
	year = {1990.},
	address = {Mexico :},
	edition = {2a ed.},
	note = {Incluye apendice.}
}