Cita APA (7th ed.)

Lim-ao, N., & Venables, A. (1999). Infrastructure, geographical disadvantage and transport costs. Trade, Development Research Group, World Bank.

Cita Chicago (17th ed.)

Lim-ao, Nuno, i Anthony Venables. Infrastructure, Geographical Disadvantage and Transport Costs. Washington, D.C: Trade, Development Research Group, World Bank, 1999.

Cita MLA (9th ed.)

Lim-ao, Nuno, i Anthony Venables. Infrastructure, Geographical Disadvantage and Transport Costs. Trade, Development Research Group, World Bank, 1999.