@book{121,
	author = {Chance, Paul. and Krause, Mark A.},
	title = {Learning and behavior :},
	publisher = {Wadsworth,},
	year = {c2009.},
	address = {Belmont, CA :},
	edition = {6th ed.},
	note = {"With workbook by Mark A. Krause, revised 2008 by Paul Chance."}
}