@book{94322,
	author = {Gladfelter, Donnie. and ebrary, Inc.},
	title = {AutoCAD 2013 and AutoCAD LT 2013},
	publisher = {John Wiley & Sons, Inc.,},
	year = {c2012.},
	series = {Autodesk official training guide},
	address = {Indianapolis :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10565117}
}