@book{30886,
	author = {Powell, Debra.},
	title = {Common mistakes at CAE-- and how to avoid them /},
	publisher = {Cambridge University Press,},
	year = {2005.},
	series = {Cambridge books for Cambridge exams},
	address = {Cambridge ;},
	note = {"Cambridge learning corpus real English guarantee"--Cover.},
	url = {http://www.loc.gov/catdir/toc/fy0702/2005280151.html}
}