Hiebort, R. (1988). Mass media V. Longman.
Lua i Stíl Chicago (17ú heag.)Hiebort, Ray. Mass Media V. New York: Longman, 1988.
Lua MLA (9ú heag.)Hiebort, Ray. Mass Media V. Longman, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.