@book{117023,
	author = {De Fleur, Melvin L. and Ball-Rokeach, Sandra.},
	title = {Teorías de la comunicación de masas},
	publisher = {Ediciones Paidos},
	year = {c1982.},
	address = {Barcelona},
	edition = {4th ed.},
	note = {Translation of : Theories of mass communication.}
}