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- Theft Auto's maps in less than 14 minutes". Polygon. Vox Media. Archived from the original on 26 October 2015. Retrieved 28 September 2020.
- Rockstar North (29 April 2008). Grand Theft Auto IV (PlayStation 3 and Xbox 360) (1.0 ed.). Rockstar Games. Level/area: "The Cousins Bellic". Niko: Why don't you show me around the city? ... Roman: Terrorists. There's been a big scare and you can't go across the bridges so good.
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- Cundy, Matt (26 July 2007). "How GTA IV will reshape the series". GamesRadar. Future plc. Archived from the original on 24 October 2013. Retrieved 28 September 2020.
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Roper, Chris (23 January 2008). "Grand Theft Auto IV Update". IGN. Ziff Davis. Archived from the original on 8 May 2013. Retrieved 23 February 2008.
Greg, Miller; Goldstein, Hilary (1 March 2008). "Grand Theft Auto IV hands-on preview". IGN. Archived from the original on 18 December 2013. Retrieved 29 May 2014.
Roper, Chris (23 January 2008). "Grand Theft Auto IV Update". IGN. Ziff Davis. Archived from the original on 8 May 2013. Retrieved 23 February 2008.