@book{330,
	author = {Shrader, Robert L.},
	title = {Electronic communication /},
	publisher = {McGraw-Hill Education,},
	year = {1993.},
	address = {[S.l.] :},
	edition = {6Rev Ed.},
	note = {Import.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0071136657/chopaconline-20}
}