Filippone, Dominique (23 November 2015). "GFI bientôt racheté par les Qataris de Mannai Corporation" [GFI soon to be acquired by Qataris from Mannai Corporation]. Le Monde Informatique (in French). Archived from the original on 8 December 2015. Retrieved 8 December 2015.
Clarke, Katherine (1 October 2016). "Qatar's new NYC strategy". The Real Deal. Archived from the original on 6 November 2016. Retrieved 20 January 2017.
Filippone, Dominique (23 November 2015). "GFI bientôt racheté par les Qataris de Mannai Corporation" [GFI soon to be acquired by Qataris from Mannai Corporation]. Le Monde Informatique (in French). Archived from the original on 8 December 2015. Retrieved 8 December 2015.
Clarke, Katherine (1 October 2016). "Qatar's new NYC strategy". The Real Deal. Archived from the original on 6 November 2016. Retrieved 20 January 2017.