- flashscore.com player/ronaldo-cristiano/WGOY4FSt/
- teplowdom.ru ronaldo/morais/silva.html
- wiki5.ru wiki/Ronaldo_Morais_Silva
- acmilan.com en/club/legends/players/ronaldo
- foto.fotopod.ru sheyk-2024
- dic.academic.ru dic.nsf/ruwiki/1127443
- stroumdom.ru sheyk/2024/