@book{51171,
	author = {O'Brien, James A. and Marakas, George M.},
	title = {Introduction to information systems /},
	publisher = {McGraw-Hill/Irwin,},
	year = {c2008},
	address = {Boston :},
	edition = {14th ed.},
	note = {Includes index},
	url = {http://www.loc.gov/catdir/toc/ecip0725/2007034985.html}
}