"Brexit fallout recapped: David Cameron out, Jeremy Corbyn under pressure while Nicola Sturgeon plans second Scottish referendum" by Jason Beattie, www.mirror.co.uk. June 25, 2016.
"The speech that was the start of the end of David Cameron". David Cameron's speech on a "Britain in a reformed Europe" at Bloomsberg's London headquarters, www.independent.co.uk. January 2013.