@book{31621,
	author = {Garton Ash, Timothy, and Barceló, Sara },
	title = {Mundo libre :},
	publisher = {Tusquets Editores,},
	year = {2005.},
	address = {Barcelona :},
	edition = {1a ed.},
	note = {Título original: Free world : America, Europe, and the surprising future of the West}
}