@book{1389,
	author = {Lajugie, Joseph},
	title = {Los sistemas económicos.},
	publisher = {Eudeba, },
	year = {1992.},
	series = {Cuadernos Eudeba},
	address = {Buenos Aires : },
	edition = {23ra.ed.},
	note = {Bibliografía p. 137-138. }
}