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2. Bethesda Game Studios (2008). Fallout 3 [Disc]. Xbox 360. Bethesda, Maryland, USA.
3. Deloitte (2009). State of the Media Democracy Survey, Fourth Edition
4. Eidos Montreal (2011). Deus Ex: Human Revolution [Disc]. Xbox 360. Montreal, Canada.
5. Entertainment Merchants Association (2009). Annual Report on the Home Entertainment Industry.