APA-Zitierstil (7. Ausg.)

Ingram, G. K., & Liu, Z. (1998). Vehicles, roads, and road use: Alternative empirical specifications. World Bank, Research Advisory Group and Transport, Water, and Urban Development Department, Transport Division.

Chicago-Zitierstil (17. Ausg.)

Ingram, Gregory K., und Zhi Liu. 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.

MLA-Zitierstil (9. Ausg.)

Ingram, Gregory K., und Zhi Liu. Vehicles, Roads, and Road Use: Alternative Empirical Specifications. World Bank, Research Advisory Group and Transport, Water, and Urban Development Department, Transport Division, 1998.