@book{5310,
	author = {Roncaglia, Alessandro},
	title = {Sraffa y la teorìa de los precios},
	publisher = {Ediciones Pirámide},
	year = {1980},
	address = {Madrid :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/L128458.jpg}
}