- ru.wikiital.com wiki/Ruud_Gullit
- flashscorekz.com player/gullit-ruud/2JfBBRXk/
- ua-football.com news/tag/rud-gullit
- ru.mgwiki.top wiki/Ruud_Gullit
- dic.academic.ru dic.nsf/ruwiki/207244
- onlinereads.net creator/ruud-gullit
- flashscore.com player/gullit-ruud/YNnZGUoL/View the player profile of Ruud Gullit (Gullit R.) on Flashscore.com. Career stats (appearances, goals, cards) and transfer history.
- litres.com author/ruud-gullit/
- http://fapl.ru posts/4471/
- kinopoisk.ru name/575345/