Purchese, Robert (19 June 2008). "No MGS4 Database for Euro PSN". Eurogamer. Gamer Network. Archived from the original on 9 August 2020. Retrieved 28 August 2020.
Purchese, Robert (19 June 2008). "No MGS4 Database for Euro PSN". Eurogamer. Gamer Network. Archived from the original on 9 August 2020. Retrieved 28 August 2020.