@book{15443,
	author = {Haag, Stephen. and Cummings, Maeve.},
	title = {Management information systems :},
	publisher = {Tata McGraw-Hill,},
	year = {2003.},
	address = {New Delhi :},
	edition = {4th ed.},
	note = {Includes index.},
	url = {www.mhhe.com/haag}
}