@book{14721,
	author = {Berman, Ruth Aronson. and ebrary, Inc.},
	title = {Language development across childhood and adolescence},
	publisher = {John Benjamins Pub.,},
	year = {c2004.},
	series = {Trends in language acquisition research,},
	address = {Philadelphia :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10254962}
}