Cita APA

Buys, P., Wheeler, D., & Deichmann, U. (2006). Road Network Upgrading And Overland Trade Expansion In Sub-Saharan Africa. The World Bank.

Citación estilo Chicago

Buys, Piet, David Wheeler, y Uwe Deichmann. Road Network Upgrading And Overland Trade Expansion In Sub-Saharan Africa. Washington, D.C: The World Bank, 2006.

Cita MLA

Buys, Piet, et al. Road Network Upgrading And Overland Trade Expansion In Sub-Saharan Africa. The World Bank, 2006.