@book{4925,
	author = {Cullen, Pauline.},
	title = {Cambridge vocabulary for ielts with answers and audio cd /},
	publisher = {Cambridge University Press,},
	year = {2008.},
	address = {[S.l.] :},
	edition = {1 Pap/Com ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/052170975X/chopaconline-20}
}