@book{6013,
	author = {Noelle-Neumann, Elisabeth and Ruíz Calderón, Javier },
	title = {La espiral del silencio },
	publisher = {Paidós,},
	year = {2003.},
	series = {Paidós Comunicación ; },
	address = {Barcelona :},
	edition = {1a ed.},
	note = {Incluye índice}
}