1. References

William Mattus Vega (born April 17, 1964 in Barva, Heredia) is a football referee from Costa Rica, best known for supervising two matches during the 2002 FIFA World Cup held in Japan and South Korea.

References

• [https://www.worldfootball.net/referee_summary/william-mattus/ William Mattus – referee profile] at WorldFootball.net
• [https://web.archive.org/web/20070929152907/http://www.weltfussball.de/schiedsrichter_profil.php?id=1856 William Mattus – referee profile] at Weltfussball.de {{de icon}}

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