@book{216089,
	author = {Meyers, Michael},
	title = {CompTIA network+ exam guide},
	publisher = {McGraw-Hill},
	year = {c2009.},
	series = {All-in-one},
	address = {New York},
	edition = {4th ed.},
	note = {ESTE LIBRO INCLUYE UN DISCO},
	url = {http://www.loc.gov/catdir/toc/fy1002/2009017868.html}
}