"Congress 2010"(PDF). General Council Report. The 142nd annual Trades Union congress. Manchester: Trades Union Congress. September 2010. p. 137. Archived from the original(PDF) on 11 October 2010. Retrieved 3 December 2012.
"Congress 2010"(PDF). General Council Report. The 142nd annual Trades Union congress. Manchester: Trades Union Congress. September 2010. p. 137. Archived from the original(PDF) on 11 October 2010. Retrieved 3 December 2012.