@book{112190,
	author = {Froehlich, Andrew, and ebrary, Inc.},
	title = {CCNA voice},
	publisher = {Wiley Technology,},
	year = {c2010.},
	address = {Indianapolis, Ind. :},
	edition = {1st ed.},
	note = {"IIUC Exam 640-460".},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10366576}
}