Teravaninthorn, S., & Raballand, G. (2009). Transport prices and costs in Africa: A review of the main international corridors. World Bank.
Παραπομπή σε μορφή Chicago (17η εκδ.)Teravaninthorn, Supee, και Gaël Raballand. Transport Prices and Costs in Africa: A Review of the Main International Corridors. Washington, DC: World Bank, 2009.
Παραπομπή σε μορφή MLA (9th εκδ.)Teravaninthorn, Supee, και Gaël Raballand. Transport Prices and Costs in Africa: A Review of the Main International Corridors. World Bank, 2009.