Cita APA

Ingram, K. G., & Liu, Z. (1999). Determinants of Motorization and Road Provision. The World Bank.

Citación estilo Chicago

Ingram, K. Gregory, y Zhi Liu. Determinants of Motorization and Road Provision. Washington, D.C: The World Bank, 1999.

Cita MLA

Ingram, K. Gregory, y Zhi Liu. Determinants of Motorization and Road Provision. The World Bank, 1999.