1. Spain Lúdica. La Imagen Romántica de España en el Videojuego;Acosta-Riego,2017
2. Homo Ludens: A Study of the Play-Element in Culture;Huizinga,2016
3. The Video Game Business;Nichols,2014
4. Recentering Globalization: Popular Culture and Japanese Transnationalism;Iwabuchi,2002
5. Man, Play and Games;Caillois,2001