@book{1825,
	author = {Barnett, Raymond A. and Ziegler, Michael R.},
	title = {College algebra with trigonometry. /},
	publisher = {WCB/McGraw-Hill,},
	year = {c1999.},
	address = {Boston, Mass. :},
	edition = {6th ed. },
	note = {Includes indexes.},
	url = {http://www.loc.gov/catdir/enhancements/fy0602/98019651-d.html}
}