Não informado. (2008). Communication Theory. Blackwell Publishers.
Lua i Stíl Chicago (17ú heag.)Não informado. Communication Theory. Malden, Mass: Blackwell Publishers, 2008.
Lua MLA (8ú heag.)Não informado. Communication Theory. Blackwell Publishers, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.