Heim, M. (1998). Virtual realism. Oxford University Press.
Chicago-čujuhus (17. p.)Heim, Michael. Virtual Realism. New York: Oxford University Press, 1998.
MLA-čujuhus (9. p.)Heim, Michael. Virtual Realism. Oxford University Press, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.