@book{6514,
	author = {Redman, Stuart.},
	title = {English vocabulary in use pre-intermediate and intermediate cd-rom /},
	publisher = {Cambridge University Press,},
	year = {2010.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0521149894/chopaconline-20}
}