@book{77859,
	author = {Valacich, Joseph S. and Schneider, Christoph},
	title = {Information systems today :},
	publisher = {Pearson Education,},
	year = {c2014},
	address = {Boston :},
	edition = {6th ed.},
	note = {First through 3rd ed. by Leonard M. Jessup, Joseph S. Valacich}
}