1. Dave Mustaine ‘Hated’ Playing Before Slayer, David Ellefson Claims: ‘I Remember That Was Always Such a Thing’  Ultimate Guitar
  2. DAVID ELLEFSON Says DAVE MUSTAINE ‘Hated Playing Before SLAYER’ During 2010 ‘Jägermeister Music Tour’  BLABBERMOUTH.NET
  3. ‘I Miss the Guy’: David Ellefson Opens on Strained Relations With Dave Mustaine, Reveals If They Still Talk  Ultimate Guitar
  4. David Ellefson Says He Misses Dave Mustaine: “We Had a Lot of Fun”  MetalSucks
  5. DAVID ELLEFSON Says He Worked On MEGADETH’s ‘Soldier On!’ Song With DAVE MUSTAINE But Didn’t Get Credit For It  BLABBERMOUTH.NET