interviews
http://www.gelderlander.nl/sport/vechtsporten/11726658/William-Diender-is-nog-niet-uitgeknokt.ece
http://www.youtube.com/watch?v=IXNnNUUAxkc
http://www.youtube.com/watch?v=-micchingj4&feature=related
http://www.chief108.com/showthread.php?t=9564
http://www.mixfight.nl/portal/interview-william-diender/
http://www.fightstartv.com/videos/interview-william-diender-slamm-7-muay-thai/