@book{7210,
	author = {O'Brien, James A., and Marakas, George M.},
	title = {Management information systems /},
	publisher = {Tata McGraw-Hill ,},
	year = {2007.},
	address = {New Delhi :},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0618/2004058196-d.html}
}