@book{42114,
	author = {Nikolov, Marianne. and ebrary, Inc.},
	title = {The age factor and early language learning},
	publisher = {Mouton de Gruyter,},
	year = {2009.},
	series = {Studies on language acquisition ;},
	address = {Berlin ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10348570}
}