1. Standard Definitions: Final Dispositions of Case Codes and Outcome Rates for Surveys,2008
2. Casualty Crash Types for Which Teens are at Excess Risk. 51st Annual Proceedings;Bingham,2007
3. Bureau of Transportation Statistics, 2006a. National Household Travel Survey. Washington, D.C.
4. Bureau of Transportation Statistics, 2006b. Highlights of the National Household Travel Survey. Retrieved 16th May 2009, from http://www.bts.gov/publications/highlights_of_the_2001_national_household_travel_survey/.
5. Bureau of Transportation Statistics, 2009. Miles Driven Daily by Persons 15 and Older by Sex, Age and Worker Status. National Household Travel Survey Retrieved 16th May 2009, from http://www.bts.gov/publications/highlights_of_the_2001_national_household_travel_survey/html/table_a17.html.