Não informado. (1967). Sound and vibration. Acoustical Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Sound and Vibration. Bay Village, Ohio: Acoustical Publications, 1967.
Lua MLA (8ú heag.)Não informado. Sound and Vibration. Acoustical Publications, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.