O'Connor, J. R. (1981). Speech: Exploring communication. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)O'Connor, J. Regis. Speech: Exploring Communication. Prentice Hall, 1981.
Lua MLA (9ú heag.)O'Connor, J. Regis. Speech: Exploring Communication. Prentice Hall, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.