over Civilization - PC News at GameSpot”. Gamespot.com. 2009年3月24日閲覧。 ^ Sinclair, Brendan (2006年1月31日). “Take-Two reveals acquisition prices, hints at future
q=spice+girls+copies#v=onepage&q=spice%20girls%20copies&f=false ^ a b Sinclair, David. The Prefab Five are back. Are you ready?. The Times. 28 June 2007