@book{57367,
	author = {Hoffer, Jeffrey A and George, Joey F,},
	title = {Modern systems analysis and design / Jeffrey A. Hoffer, Joey F. George, Joseph S. Valacich},
	publisher = {Prentice Hall,},
	year = {2011},
	address = {Upper Saddle River, NJ :},
	edition = {6th ed}
}