Tham khảo Adamantium

  1. Walker, Karen (tháng 2 năm 2010). “Ultron: The Black Sheep of the Avengers Family”. Back Issue! (TwoMorrows Publishing) (38): 23–30. 
  2. "adamant - definition of adamant". Oxforddictionaries.com.
  3. Great Books of the Western World Vol. 4 pg 40
  4. Avengers (vol. 1) #201-202 (November – December 1980)
  5. X-Men (vol. 1) #139 (November 1980)
  6. Wolverine: The Jungle Adventure (1990)
  7. X-Men #98 (April 1976) (w)Chris Claremont
  8. Wolverine vol. 2 #126
  9. Uncanny X-Men #205
  10. X-23: Target X
  11. Garth Ennis (w), Steve Dillon (p), Jimmy Palmiotti (i), Chris Sotomayer (col), RS and Comicraft's Wes Abbott (let), Stuart Moore (ed). "Dirty Work" The Punisher v6, #4 (October 2001), United States: Marvel Comics
  12. Ultimate X-Men #12 (January 2002)