2019 ADAC Formula 4 Championship (English Wikipedia)

"ADAC Formel 4 Entry list Hockenheimring 2019". adac-motorsport.de. ADAC. Archived from the original on 4 September 2019. Retrieved 4 September 2019.
"Race 2 Final Classification" (PDF). adac-motorsport.de. ADAC. 13 August 2019. Retrieved 13 August 2019.
"Result List Race 3" (PDF). adac-motorsport.de. ADAC. 11 August 2019. Retrieved 13 August 2019.
"ADAC Formel 4 Entry list Oschersleben 2019". 25 April 2019. Retrieved 25 April 2019.
"ADAC Formel 4 Entry list Red Bull Ring 2019". adac-motorsport.de. ADAC. Archived from the original on 23 July 2019. Retrieved 5 June 2019.
"ADAC Formel 4 Entry list Hockenheimring (mit Formel 1) 2019". adac-motorsport.de. ADAC. Archived from the original on 23 July 2019. Retrieved 23 July 2019.
"ADAC Formel 4 Entry list Hockenheimring 2019". adac-motorsport.de. ADAC. Archived from the original on 4 September 2019. Retrieved 4 September 2019.
"ADAC Formel 4 Races 2019". adac-motorsport.de. ADAC. Retrieved 11 November 2018.
"Result List Race 2" (PDF). adac-motorsport.de. ADAC. Archived from the original (PDF) on 9 June 2019. Retrieved 9 June 2019.
"Result List Race 3" (PDF). adac-motorsport.de. ADAC. Archived from the original (PDF) on 29 September 2019. Retrieved 29 September 2019.

automobilsport.com

Waring, Bethonie (15 February 2019). "Prema adds Alessandro Famularo to 2019 Italian F4 line-up". FormulaScout. Retrieved 15 February 2019.
Allen, Peter (19 February 2019). "Ghiretti joins Pourchaire and Stanek in Sauber-backed US-Charouz F4 line-up". FormulaScout. Retrieved 19 February 2019.
Allen, Peter (24 November 2018). "Theo Pourchaire makes ADAC F4 move with US Racing". FormulaScout. Retrieved 24 November 2018.
Hillman, Rachel (29 July 2019). "Hadrien David to make ADAC F4 debut at Zandvoort". FormulaScout. Retrieved 29 July 2019.
Allen, Peter (21 December 2018). "Jonny Edgar steps up to Formula 4 with Red Bull and Jenzer Motorsport". FormulaScout. Retrieved 21 December 2018.

"ADAC Formel 4 Entry list Hockenheimring 2019". adac-motorsport.de. ADAC. Archived from the original on 4 September 2019. Retrieved 4 September 2019.
"ADAC Formel 4 Entry list Red Bull Ring 2019". adac-motorsport.de. ADAC. Archived from the original on 23 July 2019. Retrieved 5 June 2019.
"ADAC Formel 4 Entry list Hockenheimring (mit Formel 1) 2019". adac-motorsport.de. ADAC. Archived from the original on 23 July 2019. Retrieved 23 July 2019.
"ADAC Formel 4 Entry list Hockenheimring 2019". adac-motorsport.de. ADAC. Archived from the original on 4 September 2019. Retrieved 4 September 2019.
"Result List Race 2" (PDF). adac-motorsport.de. ADAC. Archived from the original (PDF) on 9 June 2019. Retrieved 9 June 2019.
"Result List Race 3" (PDF). adac-motorsport.de. ADAC. Archived from the original (PDF) on 29 September 2019. Retrieved 29 September 2019.