Vasconsellos, Eduardo (December 4, 2009). "Ace Combat Xi Review". IGN. Ziff Davis. Archived from the original on May 13, 2023. Retrieved December 29, 2023.
Vasconsellos, Eduardo (December 4, 2009). "Ace Combat Xi Review". IGN. Ziff Davis. Archived from the original on May 13, 2023. Retrieved December 29, 2023.