Não informado. (1956). Radio Engineering and Electronics. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Radio Engineering and Electronics. New York: Pergamon Press, 1956.
Lua MLA (8ú heag.)Não informado. Radio Engineering and Electronics. Pergamon Press, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.