Lua APA (7ú heag.)
Friedmann, G., Bellour, R., Kuntzel, T., & Metz, C. (1975). Communications.
Lua i Stíl Chicago (17ú heag.)
Friedmann, Georges, Raymond Bellour, Thierry Kuntzel, agus Christian Metz. Communications. 1975.
Lua MLA (9ú heag.)
Friedmann, Georges, et al. Communications. 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.