@book{203155,
	author = {Shelly, Gary B. and Cashman, Thomas J.},
	title = {Systems analysis and design},
	publisher = {Thomson Course Technology},
	year = {c2008.},
	series = {Shelly Cashman series},
	address = {Boston, MA},
	edition = {7th ed.},
	note = {Includes index. }
}