Jeffres, L. W. (1986). Mass media processes and effects. Waveland Press.
Lua i Stíl Chicago (17ú heag.)Jeffres, Leo W. Mass Media Processes and Effects. Prospect Height, Ill: Waveland Press, 1986.
Lua MLA (9ú heag.)Jeffres, Leo W. Mass Media Processes and Effects. Waveland Press, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.