APA-viite

Penrose, R. (1990). 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. London, Vintage, 1990.

MLA-viite

Penrose, Roger. The Emperor`s New Mind: Concerning Computers, Minds and the Laws of Physics. 1990.