Adams, D. (2003). The salmon of doubt: Hitchhiking the galaxy one last time. Pan Books.
Lua i Stíl Chicago (17ú heag.)Adams, Douglas. The Salmon of Doubt: Hitchhiking the Galaxy One Last Time. London: Pan Books, 2003.
Lua MLA (9ú heag.)Adams, Douglas. The Salmon of Doubt: Hitchhiking the Galaxy One Last Time. Pan Books, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.