@book{139960,
	author = {O'Brien, James A., and Marakas, George M.},
	title = {Management information systems /},
	publisher = {McGraw-Hill Irwin,},
	year = {c2009.},
	address = {Boston :},
	edition = {9th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0825/2008035967.html}
}