@book{6193,
	author = {Menger, Carl},
	title = {Principios de economía política},
	publisher = {Union Editorial},
	year = {2016},
	address = {Madrid :},
	edition = {2a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/L128752.jpg}
}