1. 86/298/EEC. 1986. Rear-mounted roll-over protection structures of narrow-track wheeled agricultural and forestry tractors.
2. Ahlm K, Bylund P-O 2008. Dödliga skadehändelser i samband med färd på fyrhjuling 1992-2007. [Fatal injuries in connection with riding all-terrain vehicles 1992-2007]. Rapport No: 132. https://www.vll.se/VLL/Filer/AKMC_Nr%20141%20Fyrhjuling%20d%C3%B6dliga%201992-2007.pdf.
3. Australian Competition and Consumer Commission. 2018. Quad Bike Safety - Consultation Regulation Impact Statement. Australian Competition and Consumer Commission.
4. Australian Competition and Consumer Commission. 2019. Quad bike safety - Final Recommendation to the Minister. Australian Competition and Consumer Commission. Canberra, Australia. https://consultation.accc.gov.au/++preview++/product-safety/quad-bike-safety-standard-exposure-draft/supporting_documents/Quad%20bike%20safety%20%20Final%20Recommendation%20to%20the%20Minister.pdf.
5. Are all-terrain vehicle injuries becoming more severe?