@book{1406,
	author = {Groth, David.},
	title = {Network+ study guide /},
	publisher = {SYBEX,},
	year = {2005.},
	address = {San Francisco, Calif. ;},
	edition = {4th ed.},
	note = {Previous ed.: 2001.},
	url = {http://www.loc.gov/catdir/enhancements/fy0628/2005920766-b.html}
}