Não informado. (1972). Mercury. Astronomical Society of the Pacific.
Lua i Stíl Chicago (17ú heag.)Não informado. Mercury. San Francisco, Calif: Astronomical Society of the Pacific, 1972.
Lua MLA (8ú heag.)Não informado. Mercury. Astronomical Society of the Pacific, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.