Nintendo: “Super Mario 3D Land” [3DS] – 2nd Reveal Trailer – 2011.10.06
Source/Fuente: Nintendo.
Activision: “Call of Duty: Modern Warfare 3” – Reveal Trailer – 2011.05.23
Source/Fuente: Activision.
Video Documentary: “Making Gears of War 3”: ‘Inside the Wicked Workshop’ with Chris Perna (Art Director, Epic Games)
Source/Fuente: Microsoft via GamesPress.