@book{1992,
	author = {Haag, Stephen. and Cummings, Maeve.},
	title = {Management information systems for the information age. /},
	publisher = {McGraw-Hill/Irwin,},
	year = {c2007.},
	address = {Boston :},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0665/2005053866-t.html}
}