@book{2014,
	author = {Czinkota, Michael R. and Ronkainen, Ilkka A.},
	title = {Negocios internacionales /},
	publisher = {Thomson,},
	year = {2007},
	address = {México D.F. :},
	edition = {Séptima edición},
	note = {Contiene índice }
}