@book{560,
	author = {Nelson, Marceda. and Hoy, Calvin M.},
	title = {Essentials of math with business applications /},
	publisher = {McGraw-Hill Irwin,},
	year = {c2007.},
	address = {Boston :},
	edition = {7th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0629/2006042011-t.html}
}