Doughlas Adams. (1979). The Hitchhiker's Guide to the Galaxy. Pan Books.
Lua i Stíl Chicago (17ú heag.)Doughlas Adams. The Hitchhiker's Guide to the Galaxy. London: Pan Books, 1979.
Lua MLA (9ú heag.)Doughlas Adams. The Hitchhiker's Guide to the Galaxy. Pan Books, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.