Hiebert, R. E. (1995). Impact of mass media: Current issues (3rd ed.). Longman Pub. Group.
Dyfyniad Arddull ChicagoHiebert, Ray Eldon. Impact of Mass Media: Current Issues. 3rd ed. White Plains, N.Y: Longman Pub. Group, 1995.
Dyfyniad MLAHiebert, Ray Eldon. Impact of Mass Media: Current Issues. 3rd ed. Longman Pub. Group, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.