@book{97139,
	author = {Obama, Barack,   and Casanova, Claudia, },
	title = {La audacia de la esperanza :},
	publisher = {Ediciones Península,},
	year = {2007.},
	address = {Barcelona :},
	edition = {1. ed.},
	note = {Tít. original: The audacity of hope. -- En el lomo: 295.}
}