@book{11900,
	author = {Ungerer, Tomi,  and Gervás, Augustín,},
	title = {El sombrero /},
	publisher = {Alfaguara, },
	year = {2000.},
	series = {Infantil Alfaguara},
	address = {Maéxico : },
	note = {Para niños a partir de los 6 años.}
}