@book{39980,
	author = {McCarthy, Michael, and O'Dell, Felicity,},
	title = {Vocabulary in use :},
	publisher = {Cambridge University Press,},
	year = {1997.},
	address = {Cambridge ;},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/cam028/96044820.html}
}