@book{1341,
	author = {O'Kean, José María},
	title = {Análisis del entorno económico de los negocios : },
	publisher = {McGraw Hill, },
	year = {1994.},
	series = {Serie McGraw Hill de management.},
	address = {Madrid : },
	edition = {1ra.ed.},
	note = {notas a final de capítulo. }
}