@book{4046,
	author = {O'Brien, James A. and Marakas, George M.},
	title = {Management information systems /},
	publisher = {Mc Graw-Hill/Irwin,},
	year = {2008.},
	address = {Boston :},
	edition = {8th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0619/2006025943.html}
}