@book{591,
	author = {Lajugie, Joseph},
	title = {Los sistemas económicos.},
	publisher = {Eudeba, },
	year = {1976.},
	series = {Cuadernos Eudeba},
	address = {Buenos Aires : },
	edition = {12da.ed.},
	note = {Bibliografía: p.137-138.}
}