@book{22133,
	author = {Colombia. Leyes, etc.},
	title = {Estatuto aduanero /},
	publisher = {Legis,},
	year = {2003},
	series = {Colección Códigos Básicos},
	address = {Bogotá, Colombia :},
	edition = {6 edición},
	note = {Incluye índices}
}