@book{58054,
	author = {Aitchison, Jean, and ebrary, Inc.},
	title = {Language change},
	publisher = {Cambridge University Press,},
	year = {c2001.},
	series = {Cambridge approaches to linguistics},
	address = {Cambridge [England] ;},
	edition = {3rd ed.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10005731}
}