Sparks, G. G. (2006). Media effects research A basic overview 3th edition. Wadsworth.
Lua i Stíl Chicago (17ú heag.)Sparks, Glenn G. Media Effects Research A Basic Overview 3th Edition. Wadsworth, 2006.
Lua MLA (8ú heag.)Sparks, Glenn G. Media Effects Research A Basic Overview 3th Edition. Wadsworth, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.