@book{218916,
	author = {Echevarría Santiago, Agustín, and López Domínguez, José María.},
	title = {Manual de política y economía},
	publisher = {Pontificia Universidad Católica de Puerto Rico},
	year = {1993.},
	address = {Ponce, P.R.},
	edition = {2a ed. rev. y aumentada}
}