by Louis Bedigian, September 18, 2008, gamezone.com, "Going Independent: The Challenges of Solo Game Design with Empty Clip Studios’ Francois Bertrand", Retrieved 10-07-2008
nintendoworldreport.com
September 5, 2008, [1], nintendoworldreport.com, "Empty Clip Studios Announces Groovin' Blocks for WiiWare", Retrieved 10-07-2008
wiiware-world.com
by Darren Calvert, September 7, 2008, wiiware-world.com, "Empty Clip Studios Interview - Groovin' Blocks", Retrieved 10-07-2008