Lee, Lois K.; Monuteaux, Michael C.; Burghardt, Lindsey C.; Fleegler, Eric W.; Nigrovic, Lise E.; Meehan, William P.; Schutzman, Sara A.; Mannix, Rebekah (August 4, 2015). "Motor Vehicle Crash Fatalities in States With Primary Versus Secondary Seat Belt Laws". Annals of Internal Medicine. 163 (3): 184–90. doi:10.7326/M14-2368. PMID26098590. S2CID25055702.
Rivara, FrederickP.; Thompson, DianeC.; Cummings, Peter (January 1999). "Effectiveness of primary and secondary enforced seat belt laws". American Journal of Preventive Medicine. 16 (1): 30–39. doi:10.1016/S0749-3797(98)00113-5. PMID9921384.
Lee, Lois K.; Monuteaux, Michael C.; Burghardt, Lindsey C.; Fleegler, Eric W.; Nigrovic, Lise E.; Meehan, William P.; Schutzman, Sara A.; Mannix, Rebekah (August 4, 2015). "Motor Vehicle Crash Fatalities in States With Primary Versus Secondary Seat Belt Laws". Annals of Internal Medicine. 163 (3): 184–90. doi:10.7326/M14-2368. PMID26098590. S2CID25055702.
Rivara, FrederickP.; Thompson, DianeC.; Cummings, Peter (January 1999). "Effectiveness of primary and secondary enforced seat belt laws". American Journal of Preventive Medicine. 16 (1): 30–39. doi:10.1016/S0749-3797(98)00113-5. PMID9921384.
Lee, Lois K.; Monuteaux, Michael C.; Burghardt, Lindsey C.; Fleegler, Eric W.; Nigrovic, Lise E.; Meehan, William P.; Schutzman, Sara A.; Mannix, Rebekah (August 4, 2015). "Motor Vehicle Crash Fatalities in States With Primary Versus Secondary Seat Belt Laws". Annals of Internal Medicine. 163 (3): 184–90. doi:10.7326/M14-2368. PMID26098590. S2CID25055702.
HB 273-FN Final Version, Chapter 244, 1997 Session, New Hampshire. "244:2 New Paragraph; Safety Belt Required for Drivers Under 18. Amend RSA 265:107-a by inserting after paragraph I the following new paragraph: I-a. No person who is less than 18 years of age shall drive a motor vehicle on any way unless such person is wearing a seat or safety belt which is properly adjusted and fastened." Retrieved on 2020-01-25 from http://www.gencourt.state.nh.us/legislation/1997/HB0273.html.