@book{11154,
	author = {Gaarder, Jostein ( and Baggethun, Kirsti.},
	title = {El mundo de Sofía },
	publisher = {Siruela, },
	year = {1995.},
	series = {Las tres edades ; },
	address = {Madrid : },
	edition = {18ª ed. rev.},
	note = {Índice.}
}