Norris, F. (1956). The pit: A story of Chicago. Grove Press.
Lua i Stíl Chicago (17ú heag.)Norris, Frank. The Pit: A Story of Chicago. N.Y.: Grove Press, 1956.
Lua MLA (8ú heag.)Norris, Frank. The Pit: A Story of Chicago. Grove Press, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.