Burroughs, W. S. (1967). The soft machine: William S. Burroughs (1st edition.). Grove.
Lua i Stíl Chicago (17ú heag.)Burroughs, William S. The Soft Machine: William S. Burroughs. 1st edition. New York: Grove, 1967.
Lua MLA (8ú heag.)Burroughs, William S. The Soft Machine: William S. Burroughs. 1st edition. Grove, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.