@book{9714,
	author = {Porte, Graeme Keith. and ebrary, Inc.},
	title = {Appraising research in second language learning},
	publisher = {John Benjamins Pub.,},
	year = {c2002.},
	series = {Language learning and language teaching ;},
	address = {Amsterdam ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10022291}
}