APA استشهاد

Heim, M. (1994). Metaphysics of virtual reality. OUP.

استشهاد بنمط شيكاغو

Heim, Michael. Metaphysics of Virtual Reality. New York: OUP, 1994.

MLA استشهاد

Heim, Michael. Metaphysics of Virtual Reality. OUP, 1994.