@book{50986,
	author = {Regan, Patrick E.},
	title = {IT essentials :},
	publisher = {Cisco Press,},
	year = {c2008},
	series = {Cisco Networking Academy series},
	address = {Indianapolis, Ind. :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip086/2007049945.html}
}