(en) Karen Collins, Game sound : an introduction to the history, theory, and practice of video game music and sound design, Cambridge, Mass., MIT Press, , 200 p. (ISBN978-0-262-03378-7, lire en ligne), p. 56-57.
(en) Matt Fox, The Video Games Guide : 1,000+ Arcade, Console and Computer Games, 1962-2012, Jefferson, NC, McFarland, , 416 p. (ISBN978-1-4766-0067-3, lire en ligne), p. 250.