1. European Road Safety Observatory. Traffic Safety Basic Facts 2007.Young People (Aged 16–24). http://ec.europa.eu/transport/road_safety/specialist/knowledge/pdf/bfs2007_sn-ntua-1–3-young_people.pdf (accessed 19 Oct 2012).
2. NSW Centre for Road Safety, Transport roads and marine services. http://www.rta.nsw.gov.au/roadsafety/youngdrivers/index.html (accessed 19 Oct 2012).