@book{40331,
	author = {Gaarder, Jostein and Baggethun, Kirsti,},
	title = {El Mundo de Sofía :},
	publisher = {Siruela,},
	year = {2000.},
	address = {Madrid, :},
	edition = {41a ed.},
	note = {Incluye índice onomástico}
}