Doyle, A. C. (2010). Classic Sherlock Holmes. Penguin.
Lua i Stíl Chicago (17ú heag.)Doyle, Arthur Conan. Classic Sherlock Holmes. New Delhi: Penguin, 2010.
Lua MLA (8ú heag.)Doyle, Arthur Conan. Classic Sherlock Holmes. Penguin, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.