@book{98092,
	author = {Granger, Colette A., and ebrary, Inc.},
	title = {Silence in second language learning},
	publisher = {Multilingual Matters,},
	year = {c2004.},
	series = {Second language acquisition ;},
	address = {Clevedon ;},
	edition = {1st ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10096120}
}