Não informado. (1977). IEEE Communications Society Magazine. Institute of Electrical and Electronics Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. IEEE Communications Society Magazine. New York: Institute of Electrical and Electronics Engineers, 1977.
Lua MLA (8ú heag.)Não informado. IEEE Communications Society Magazine. Institute of Electrical and Electronics Engineers, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.