@book{19,
	author = {Villegas, Héctor Belisario and Caeiro Palacio, Eduardo S},
	title = {Curso de finanzas, derecho financiero y tributario.},
	publisher = {Astrea, },
	year = {2005.},
	address = {Buenos Aires : },
	edition = {9na.ed.},
	note = {Incluye bibliografía.}
}