Não informado. (1964). Journal of Spacecraft and Rockets. American Institute of Aeronautics and Astronautics.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Spacecraft and Rockets. New York: American Institute of Aeronautics and Astronautics, 1964.
Lua MLA (8ú heag.)Não informado. Journal of Spacecraft and Rockets. American Institute of Aeronautics and Astronautics, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.