Léo Roussel (English Wikipedia)

"Léo Roussel (Emil Frey Racing) : "Le monde du GT m'a de suite plu !"" [Léo Roussel (Emil Frey Racing): "I immediately liked the GT world!"]. endurance-info.com (in French). 13 March 2022. Retrieved 11 April 2022.

fiawec.com

"Massive Shunt For Leo Roussel - Le Mans 2014". us.motorsport.com. 12 June 2014. Retrieved 10 April 2022.

"F.Renault 2.0 ALPS synonimous of quality with top team and drivers ready to roll in 2012 season". renaultsportitalia.it. 31 January 2012. Archived from the original on October 19, 2013. Retrieved 10 April 2022. Also confirmed the names of the drivers which will compete with Arta Engineering. Three of them are also Frenchmen: Tristan Papavoine, Leo Roussel and William Vermont...

Dagys, John (5 February 2015). "Cheng, Fong Complete Pegasus Lineup". sportscar365.com. John Dagys Media. Retrieved 10 April 2022. Cheng and Fong will share the wheel of the French squad's Morgan LMP2 EVO Nissan with Leo Roussel in the five-round championship, which kicks off at Silverstone in April.
Dagys, John (5 April 2018). "Stoneman, Roussel Added to Manor Lineup". sportscar365.com. John Dagys Media. Retrieved 10 April 2022.
Lloyd, Daniel (22 March 2019). "Roussel Added to Inter Europol LMP2 Lineup". sportscar365.com. John Dagys Media. Retrieved 11 April 2022.
Dagys, John (25 May 2019). "Winslow to Replace Roussel at Inter Europol". sportscar365.com. John Dagys Media. Retrieved 11 April 2022.
Lloyd, Daniel (28 February 2022). "Emil Frey Enters GT Masters Alongside Endurance Cup". sportscar365.com. John Dagys Media. Retrieved 11 April 2022. The No. 19 Emil Frey Lamborghini will be shared by Leo Roussel, Arthur Rougier and factory driver Giacomo Altoe in the Pro class of Endurance Cup...

Pettit, Vince (24 March 2021). "Saintéloc Racing confirm two car entry for GT World Challenge Europe". thecheckeredflag.co.uk. Retrieved 11 April 2022.

"F.Renault 2.0 ALPS synonimous of quality with top team and drivers ready to roll in 2012 season". renaultsportitalia.it. 31 January 2012. Archived from the original on October 19, 2013. Retrieved 10 April 2022. Also confirmed the names of the drivers which will compete with Arta Engineering. Three of them are also Frenchmen: Tristan Papavoine, Leo Roussel and William Vermont...