1. Bureau of Infrastructure, Transport and Regional Economics (BITRE) Road crash costs in Australia 2006 2009
2. Bureau of Infrastructure, Transport and Regional Economics (BITRE) Australian transport statistics yearbook 2009 2009
3. Federal Chamber of Automotive Industries Solid result for motorcycle sales in 2009 [FCAI website] 2010 http://www.fcai.com.au/news/all/all/235/solid-result-for-motorcycle-sales-in-2009
4. A comparison of hospital and police road injury data;Rosman;Accid. Anal. Prev.,1994
5. Road environment, crash type and hospitalisation of bicyclists and motorcyclists presented to emergency departments in Western Australia;Meuleners;Accid. Anal. Prev.,2007