Roddy, D. (1995). Electronic Communication (4.). Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Roddy, Dennis. Electronic Communication. 4. New Delhi: Pearson Prentice Hall, 1995.
Lua MLA (9ú heag.)Roddy, Dennis. Electronic Communication. 4. Pearson Prentice Hall, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.