"Hasbro last Thursday announced its intention to buy Wizards of the Coast, which sells Pokémon trading cards, for about $325 million. The deal is expected to be completed by the end of this month." “Hasbro Buys Pokémon Cards”. Phillips Publishing International (September 15, 1999). June 13, 2008時点のオリジナルよりアーカイブ。June 13, 2008閲覧。
Magazine Publishers of America (2003年). “Defunct or Suspended Magazines 2007”. MPA Website:The Definitive Source of the Magazine Industry. Magazine Publishers of America. 2008年2月5日閲覧。
"Hasbro last Thursday announced its intention to buy Wizards of the Coast, which sells Pokémon trading cards, for about $325 million. The deal is expected to be completed by the end of this month." “Hasbro Buys Pokémon Cards”. Phillips Publishing International (September 15, 1999). June 13, 2008時点のオリジナルよりアーカイブ。June 13, 2008閲覧。