1. Blomquist, G.C. (1982).The Regulation of Motor Vehicle and Traffic Safety. Boston, MA: Kluwer Academic.
2. Campbell, B.J., J.R. Stewart, and F.A. Campbell. (1986). ?Early Results of Seat Belt Legislation in the United States of America,? Working Paper, University of North Carolina Highway Safety Research Center.
3. Campbell, B.J., and F.A. Campbell. (1988). ?Injury Reduction and Belt Use Associated with Compulsory Belt Use Legislation,? In J.D. Graham (ed.),Preventing Automobile Injury. Dover, MA: Auburn House Publishing Co.
4. Department of Transportation. (1984).Regulatory Impact Analysis of FMVSS 208: Occupant Crash Protection, Washington, D.C.
5. Evans, L. (1986). ?The Effectiveness of Safety Belts in Preventing Fatalities,?Accident Analysis and Prevention 18, 229?241.