Operation of the UK ElectoralSystem since 1945. Manchester University Press. 2001: 44. Lynch, P. & Garner, R. (2005). The Changing Party System. Parliamentary
powers. 2014-01-06 [2014-02-04]. (原始内容存档于2014-02-21). Scotland needs a separate welfare system, say charities. 2013-09-29 [2014-02-04]. (原始内容存档于2013-10-03)
Scotland Act 1998 The Scottish Parliament Project,聖安德魯斯大學 Holyrood Inquiry homepage (页面存档备份,存于互联网档案馆) BBC News explanation of the powers of the Scottish