International Wittgenstein Symposium Kirchberg am Wechsel, Austria, Österreichische Ludwig Wittgenstein Gesellschaft, ebrary, Inc, Hrachovec, H., & Pichler, A. (2008). Philosophy of the information society: Proceedings of the 30. International Ludwig Wittgenstein Symposium, Kirchberg am Wechsel, Austria 2007. Volume 2. Ontos ; Distributed in North and South America by Transaction Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Wittgenstein Symposium Kirchberg am Wechsel, Austria, Österreichische Ludwig Wittgenstein Gesellschaft, Inc ebrary, Herbert Hrachovec, और Alois Pichler. Philosophy of the Information Society: Proceedings of the 30. International Ludwig Wittgenstein Symposium, Kirchberg Am Wechsel, Austria 2007. Volume 2. Frankfurt : [s.l.]: Ontos ; Distributed in North and South America by Transaction Publishers, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Wittgenstein Symposium Kirchberg am Wechsel, Austria, et al. Philosophy of the Information Society: Proceedings of the 30. International Ludwig Wittgenstein Symposium, Kirchberg Am Wechsel, Austria 2007. Volume 2. Ontos ; Distributed in North and South America by Transaction Publishers, 2008.