@book{1821,
	author = {Hutchison, Donald, and Bergman, Barry.},
	title = {Elementary and intermediate algebra :a unified approach. /},
	publisher = {McGraw-Hill Higher Education,},
	year = {c2004.},
	address = {Boston :},
	edition = {2nd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/ecip046/2003016024.html}
}