"Il Tour de France é pronto" [The Tour de France is ready]. Corriere dello Sport (in Italian). 24 January 1950. p. 3. Archived from the original on 28 September 2019. Retrieved 7 July 2013.
van den Akker, Pieter. "Informatie over de Tour de France van 1950" [Information about the Tour de France from 1950]. TourDeFranceStatistieken.nl (in Dutch). Archived from the original on 2 March 2019. Retrieved 2 March 2019.
"Il Tour de France é pronto" [The Tour de France is ready]. Corriere dello Sport (in Italian). 24 January 1950. p. 3. Archived from the original on 28 September 2019. Retrieved 7 July 2013.
Tom Vandenbussche. "Abdel-Kader Zaaf" (in Dutch). Cyclingwebsite. Archived from the original on 11 October 2008. Retrieved 3 December 2009.
van den Akker, Pieter. "Informatie over de Tour de France van 1950" [Information about the Tour de France from 1950]. TourDeFranceStatistieken.nl (in Dutch). Archived from the original on 2 March 2019. Retrieved 2 March 2019.