1. Opinion polls, information effects, and political equality: Exploring ideological biases in collective opinion
2. Angus, R. (2010) ‘Clegg and Cameron share spotlight in Britain's second televised debate’, [Online] Available at:http://www.angus-reid.com/polls/43046/clegg-and-cameron-share-spotlight-in-britains-second-televised-debate/(8 March 2011).
3. Anstead, N. & O'Loughlin, B. (2010)The Emerging Viewertariet: Twitter Responses to Nick Griffin's Appearance on BBC Question Time, School of Political, Social and International Studies, University of East Anglia, Norwich.
4. BBC News Online (2009, 2 October) ‘TV firms propose election debates’, [Online] Available at:http://news.bbc.co.uk/1/hi/8287620.stm(8 March 2011).