@book{4220,
	author = {Sawyer, Stacey C. and Williams, Brian K., and Clifford, Sarah Hutchinson.},
	title = {Using information technology},
	publisher = {Irwin},
	year = {1999.},
	address = {Boston},
	edition = {3rd ed.},
	note = {Index: p. 337-334.}
}