@book{6519,
	author = {SHAKESPEARE, WILLIAM.},
	title = {Macbeth /},
	publisher = {PENGUIN CLASSICS,},
	year = {1994.},
	series = {Penguin popular classics) (spanish edition.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0140620796/chopaconline-20}
}