Não informado. (2002). Presence: Teleoperators and virtual environments. MIT Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Presence: Teleoperators and Virtual Environments. Cambridge, Mass: MIT Press, 2002.
Lua MLA (8ú heag.)Não informado. Presence: Teleoperators and Virtual Environments. MIT Press, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.