APA-viite

Penrose, R. (1989). The Emperor`s new mind: Concerning computers, minds and the laws of Physics.

Chicago-tyylinen lähdeviittaus

Penrose, Roger. The Emperor`s New Mind: Concerning Computers, Minds and the Laws of Physics. Oxford, OUP, 1989.

MLA-viite

Penrose, Roger. The Emperor`s New Mind: Concerning Computers, Minds and the Laws of Physics. 1989.