@book{4148,
	author = {Kaufmann, Jerome E. and Schwitters, Karen L.},
	title = {Elementary algebra /},
	publisher = {Brooks/Cole, Cengage Learning,},
	year = {c2011.},
	address = {Australia ;},
	edition = {9th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1215/2009926193-d.html}
}