@book{233855,
	author = {Walton, Douglas N. and ebrary, Inc.},
	title = {Dialog theory for critical argumentation},
	publisher = {John Benjamins Pub.,},
	year = {c2007.},
	series = {Controversies ;},
	address = {Amsterdam ;},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10196551}
}