BRETZ, R. (1983). Media For Interactive Communication Rudy Bretz, Michael Schmidbauer. Sage.
Lua i Stíl Chicago (17ú heag.)BRETZ, Rudy. Media For Interactive Communication Rudy Bretz, Michael Schmidbauer. Sage, 1983.
Lua MLA (8ú heag.)BRETZ, Rudy. Media For Interactive Communication Rudy Bretz, Michael Schmidbauer. Sage, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.