@book{63344,
	author = {Panko, R. R. and Panko, Julia L.},
	title = {Business data networks and security /},
	publisher = {Pearson,},
	year = {c2013},
	address = {Boston :},
	edition = {9th ed.},
	note = {Rev. ed. of: Business data networks and telecommunications. 8th ed.}
}