@book{55157,
	author = {Clarke, Glen E. and Clarke, Glen E.},
	title = {CompTIA Network+ certification study guide /},
	publisher = {McGraw-Hill,},
	year = {c2009},
	address = {New York, NY :},
	edition = {4th ed.},
	note = {Includes index},
	url = {http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=272613}
}