Cita APA (7th ed.)

Hoban, C. J., & Tsunokawa, K. (1997). Roads and the environment: A handbook. World Bank.

Cita Chicago (17th ed.)

Hoban, Christopher J., i Koji Tsunokawa. Roads and the Environment: A Handbook. Washington, D.C: World Bank, 1997.

Cita MLA (9th ed.)

Hoban, Christopher J., i Koji Tsunokawa. Roads and the Environment: A Handbook. World Bank, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.