(1980). Communication theory / Ernest G. Bormann.
Lua i Stíl Chicago (17ú heag.)Communication Theory / Ernest G. Bormann. 1980.
Lua MLA (9ú heag.)Communication Theory / Ernest G. Bormann. 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.