Beveridge, Chris (February 23, 2011). "Dragon Ball Z Dragon Box 4". Mania Entertainment. Archived from the original on June 17, 2010. Retrieved September 14, 2010.
Beveridge, Chris (February 23, 2011). "Dragon Ball Z Dragon Box 4". Mania Entertainment. Archived from the original on June 17, 2010. Retrieved September 14, 2010.