@book{4692,
	author = {Clark, John and Yallop, Colin.},
	title = {An introduction to phonetics and phonology /},
	publisher = {Blackwell Pub.,},
	year = {c2007.},
	address = {Malden, MA ;},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0610/2006009536.html}
}