1. Abrahams, K. (2011). President, international production, Sony Pictures Television, interview with author, 11 July 2011.
2. Blumenfeld, R. (2009). Director of formats, ITV Studios, interview with author, 13 November 2009.
3. Carter, G. (2008). Chief operating officer, FremantleMedia, interview with author.
4. Dey, T. (2010). Chief executive officer, About Corporate Finance, interview with author, 26 October 2010.
5. Dyke, G. (2010). Former chairman and chief executive of Pearson Television, interview with author, 21 July 2010.