1. Anonymous (2004, 2005) http://www.actagainstautism.org.uk/agm.html.
2. Peckham (1989) The Peckham Report. National Immunisation Study. Factors influencing immunisation uptake in childhood. Converta Limited, London.
3. ESRCInfoCentre (2003) Economic and Social Research Council http://www.esrcsocietytoday.ac.uk/ESRCInfoCentre/PO/releases/2003/may/duped.aspx?ComponentId=2109&SourcePageId=1404.
4. Impact of anti-vaccine movements on pertussis control: the untold story;Gangarosa;The Lancet,1998
5. Hargreaves, I., Lewis, J., Speers, T., 2003. Towards a better map: science, the public and the media. Economic and Social Research Council http://www.esrc.ac.uk/ESRCInfoCentre/index.aspx.