@book{66501,
	author = {Spencer, Edmund T. and ebrary, Inc.},
	title = {Sociolinguistics},
	publisher = {Nova Science Publishers,},
	year = {c2011.},
	series = {Languages and linguistics},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10660147}
}