@book{78700,
	author = {Siebert, Fred S. and Peterson, Theodore,},
	title = {Tres teorías sobre la prensa en el mundo capitalista},
	publisher = {Ediciones de la Flor,},
	year = {1967},
	address = {Buenos Aires :},
	note = {Translation of: Theories of the press, by Alberto Ciria.}
}