Borgmann, A. (1999). Holding on to reality: The nature of information at the turn of the millennium. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Borgmann, Albert. Holding on to Reality: The Nature of Information at the Turn of the Millennium. Chicago: University of Chicago Press, 1999.
Lua MLA (8ú heag.)Borgmann, Albert. Holding on to Reality: The Nature of Information at the Turn of the Millennium. University of Chicago Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.