@book{1692,
	author = {Whitten, Jeffery L. and Bentley, Lonnie D.},
	title = {Systems analysis and design methods/},
	publisher = {McGraw-Hill/Irwin,},
	year = {2004.},
	address = {New York, NY:},
	edition = {6th ed.},
	note = {Includes index. }
}