Hiebert, R. E. (1995). Impact of mass media: Current issues (3rd ed.). Longman Pub. Group.
Lua i Stíl Chicago (17ú heag.)Hiebert, Ray Eldon. Impact of Mass Media: Current Issues. 3rd ed. White Plains, N.Y: Longman Pub. Group, 1995.
Lua MLA (9ú heag.)Hiebert, Ray Eldon. Impact of Mass Media: Current Issues. 3rd ed. Longman Pub. Group, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.