1. Motor vehicle crash injury rates by mode of travel, United States: using exposure-based methods to quantify differences;Beck;Am. J. Epidemiol.,2007
2. The Concrete Wave: The History of Skateboarding;Brooke,1999
3. California Department of Transportation, 2013. California Household Travel Survey. Retrieved from 〈http://www.dot.ca.gov/hq/tsip/otfa/tab/chts_travelsurvey.html〉.
4. Carr, R., McDaniel, M., Nolan, A., Pascua, J., Reddick, J., & Ruscher, B., 2013. Florida State University Campus Bicycle Study.
5. Mobile phone use while cycling: incidence and effects on behaviour and safety;De Waard;Ergonomics,2010