Schirer, T. (1984). Mark Twain and the theatre. Carl.
Lua i Stíl Chicago (17ú heag.)Schirer, Thomas. Mark Twain and the Theatre. Nürnberg: Carl, 1984.
Lua MLA (8ú heag.)Schirer, Thomas. Mark Twain and the Theatre. Carl, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.