- mma-oracle.com ru/fighter/218018-Ronaldo_da_Silva…Bulunamadı: мораис
- aiscore.com ru/player-ronaldo-silva/…Bulunamadı: мораис
- fighttime.ru fighters/266121/Luis-Ronaldo-…
- dic.academic.ru dic.nsf/ruwiki/1127443
- players.fcbarcelona.com en/player/764-ronaldo-…
- flashscore.com player/ronaldo-cristiano/WGOY4FSt/