Warhammer 40,000: Rulebook(5th Edition), pg. 102 White Dwarf321 (US), "Warhammer 40,000 Tactica: Walkers" White Dwarf140 (US), "Space Fleet" White Dwarf139 (US), "Space Fleet" Warhammer 40,000: Compilation, pg. 20 Age of Darkness(Anthology) edited by Christian Dunn, "The Iron With...