"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. Jnauary 2013.
" Labour MPs prepare for leadership contest after Corbyn loses confidence vote" by Anushka Asthana, Rajeev Syal, Jessica Elgot, www.theguardian.com. June 28, 2016.