@book{6828,
	author = {Barbera, Mary Lynch, and Rasmussen, Tracy,},
	title = {The verbal behavior approach :},
	publisher = {Jessica Kingsley Publishers,},
	year = {c2007.},
	address = {London ;},
	url = {http://www.loc.gov/catdir/toc/ecip0711/2007006818.html}
}