Behrens, R. (1995). Welcome to the machine: The instrument, the technique, and the utopia in music / Roger Behrens. Issues in contemporary culture and aesthetics.
Lua i Stíl Chicago (17ú heag.)Behrens, Roger. "Welcome to the Machine: The Instrument, the Technique, and the Utopia in Music / Roger Behrens." Issues in Contemporary Culture and Aesthetics 1995.
Lua MLA (8ú heag.)Behrens, Roger. "Welcome to the Machine: The Instrument, the Technique, and the Utopia in Music / Roger Behrens." Issues in Contemporary Culture and Aesthetics, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.