@book{2560,
	author = {Halm, George N},
	title = {Sistemas económicos.},
	publisher = {Rialp, },
	year = {1964.},
	series = {Libros de economía.},
	address = {Madrid : },
	edition = {1ra.ed.},
	note = {Notas a pié de página. En depósito.}
}