1. AKT Motos. (n.d.). Simulador de crédito. Website of motorcycle dealership, Bogotá, Colombia. Retrieved from 〈http://www.aktmotos.com/compra/simulador-de-credito〉.
2. Vehicle travel speeds and the incidence of fatal pedestrian crashes;Anderson;Accid. Anal. Prev.,1997
3. Associación Nacional de Empresas de Colombia, 2011, March 2. La Industria de Motocicletas en 2011. Press Release. Retrieved from 〈http://www.andi.com.co/cinau/Aos%20Anteriores%20Moto/Comunicado%20de%20Prensa%202011.%20Mercado%20de%20Motocicletas.%20Enero%20-%20Diciembre.pdf〉
4. Identifying best practices states in motorcycle rider education and licensing;Baldi;J. Saf. Res.,2005
5. The sustainable mobility paradigm;Banister;Transp. Policy,2008