1. Bicycle helmet efficacy: a meta-analysis;Attewell;Accident Analysis and Prevention,2001
2. Australian Bicycle Council, 2012. Australian Local Government Bicycle Account 2011. Austroads.
3. Australian Bureau of Statistics, 2010. Participation in Sport and Physical Activity 2009–10. Cat. No. 4177.0. ABS, Canberra.
4. Australian Bureau of Statistics, 2008. Historical Population Statistics, 2008. Cat. No. 3105.0.65.001, ABS, Canberra.
5. Australian Bureau of Statistics, 1998. Participation in Sport and Physical Activity 1997–98. Cat. No. 4177.0. ABS, Canberra.