Não informado. (1955). Journal of Astronautics. American Astronautical Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Astronautics. New York: American Astronautical Society, 1955.
Lua MLA (8ú heag.)Não informado. Journal of Astronautics. American Astronautical Society, 1955.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
