Cita APA

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.

Citación estilo Chicago

Ingram, Gregory K., Zhi Liu, World Bank Research Advisory Staff, y 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.

Cita MLA

Ingram, 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.