@book{4409,
	author = {Friedman, Milton and Friedman, Rose},
	title = {Libertad de elegir.},
	publisher = {Hyspamerica, },
	year = {1983.},
	series = {Biblioteca de Economía},
	address = {Buenos Aires : },
	edition = {1ra.ed.},
	note = {Notas a pié de página.}
}