@book{2783,
	author = {Haag, Stephen. and Cummings, Maeve.},
	title = {Computing concepts :},
	publisher = {McGraw-Hill Technology Education,},
	year = {c2004.},
	address = {Boston :},
	edition = {2nd ed.},
	note = {Includes bibliographical references and index.},
	url = {http://www.loc.gov/catdir/toc/mh051/2003054089.html}
}