@book{61064,
	author = {Shields, Amy},
	title = {Mi primer gran libro de los ¿por qué? /},
	publisher = {National Geographic;2013,},
	year = {2013},
	series = {National geographic kids},
	address = {Barcelona, España :},
	edition = {Quinta edición},
	note = {Incluye glosario}
}