(en) Jessica Mulligan et Bridgette Patrovsky, Developing Online Games: An Insider's Guide, New Riders, (ISBN978-1-59273-000-1, lire en ligne)
(en) Torill Elvira Mortensen, Jonas Linderoth et Ashley ML Brown, The Dark Side of Game Play: Controversial Issues in Playful Environments, Routledge, (ISBN978-1-317-57446-0, lire en ligne)