@book{37581,
	author = {Zikmund, William G. and Sánchez Carrión, Miguel Ángel},
	title = {Investigación de mercados  /},
	publisher = {Prentice Hall, },
	year = {1998},
	address = {México  },
	edition = {6a ed.},
	note = {Incluye índice}
}