
Ingram, G. K., Liu, Z., World Bank Research Advisory Staff, & World Bank Transport Division. (1998). Vehicles, roads, and road use: Alternative empirical specifications. World Bank, Research Advisory Group and Transport, Water, and Urban Development Department, Transport Division.
Citação norma ChicagoIngram, Gregory K., Zhi Liu, World Bank Research Advisory Staff, and World Bank Transport Division. Vehicles, Roads, and Road Use: Alternative Empirical Specifications. Washington, DC: World Bank, Research Advisory Group and Transport, Water, and Urban Development Department, Transport Division, 1998.
Citação norma MLAIngram, Gregory K., et al. Vehicles, Roads, and Road Use: Alternative Empirical Specifications. World Bank, Research Advisory Group and Transport, Water, and Urban Development Department, Transport Division, 1998.