Cita APA (7th ed.)

Clark, X., Dollar, D., & Micco, A. (2002). Maritime transport costs and port efficiency. World Bank.

Cita Chicago (17th ed.)

Clark, Ximena, David Dollar, i Alejandro Micco. Maritime Transport Costs and Port Efficiency. Washington, D.C: World Bank, 2002.

Cita MLA (9th ed.)

Clark, Ximena, et al. Maritime Transport Costs and Port Efficiency. World Bank, 2002.