1. Aarseth, E. (1997). Cybertext: Perspectives on ergodic literature. Baltimore: Johns Hopkins University Press.
2. Aarseth, E. (2001). Computer game studies, year one. Game Studies. ISSN: 1604-7982. http://gamestudies.org/0101/editorial.html .
3. Aarseth, E. (2004). Genre trouble: Narrativism and the art of simulation. In First person new media as story performance and game. https://doi.org/10.1215/00295132-1261040 .
4. Alfonso X. (1284). Libro de los juegos: Acedrex, dados e tablas (R. O. Calderón, Ed.). Biblioteca Castro.
5. Amabile, T., & Kramer, S. (2011). The progress principle: Using small wins to ignite joy, engagement, and creativity at work. Cambridge, MA: Harvard University Press.