@book{163639,
	author = {Gordon, Matthew J. and ebrary, Inc.},
	title = {Labov},
	publisher = {Bloomsbury Academic,},
	year = {2013.},
	series = {Guides for the perplexed},
	address = {London ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10638869}
}