Bronnen[]
- Cycling Ranking - https://www.cyclingranking.com/rider/30107/ugo-croci
- Memoire du Cyclisme - http://www.memoire-du-cyclisme.eu/pelotons/coureurs.php?c=4775
- Museo del Ciclismo - http://www.museociclismo.it/content/ciclisti/ciclista/20205-Ugo-CROCI/index.html