@book{148858,
	author = {O'Brien, James A. and O'Brien, James A.},
	title = {Introduction to information systems in business management /},
	publisher = {Irwin,},
	year = {c1991.},
	address = {Homewood, IL :},
	edition = {6th ed.},
	note = {Rev. ed. of: Information systems in business management.}
}