Kubisch, S. (2007): Keyword „Computer Games, Age“. In: J. Brown, K. Roe, M. Ward, B. Wilson (Ed.), Encyclopedia of Children, Adolescents, and the Media. Thousand Oaks.
Kubisch, S. (2007): Keyword „Computer Games, Age“. In: J. Brown, K. Roe, M. Ward, B. Wilson (Ed.), Encyclopedia of Children, Adolescents, and the Media. Thousand Oaks.
