"91ème Tour de France 2004" [91st Tour de France 2004]. Mémoire du cyclisme (in French). Archived from the original on 5 April 2020. Retrieved 6 April 2020.
van den Akker, Pieter. "Informatie over de Tour de France van 2004" [Information about the Tour de France from 2004]. TourDeFranceStatistieken.nl (in Dutch). Archived from the original on 2 March 2019. Retrieved 2 March 2019.
"91ème Tour de France 2004" [91st Tour de France 2004]. Mémoire du cyclisme (in French). Archived from the original on 5 April 2020. Retrieved 6 April 2020.
van den Akker, Pieter. "Informatie over de Tour de France van 2004" [Information about the Tour de France from 2004]. TourDeFranceStatistieken.nl (in Dutch). Archived from the original on 2 March 2019. Retrieved 2 March 2019.