APA-referens (7:e uppl.)

Markley, R. History, Theory, and Virtual Reality: Introduction / Robert Markley. Virtual realities and their discontents.(1996).

Chicago-referens (17:e uppl.)

Markley, Robert. "History, Theory, and Virtual Reality: Introduction / Robert Markley." Virtual Realities and Their Discontents.(1996) .

MLA-referens (8:e uppl.)

Markley, Robert. "History, Theory, and Virtual Reality: Introduction / Robert Markley." Virtual Realities and Their Discontents.(1996), .

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