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Lua i Stíl Chicago (17ú heag.)American Astronomical Society. Astrophysical Journal. Chicago, Ill: University of Chicago Press, 1953.
Lua MLA (8ú heag.)American Astronomical Society. Astrophysical Journal. University of Chicago Press, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.