Lim-ao, N., & Venables, A. (1999). Infrastructure, geographical disadvantage and transport costs. Trade, Development Research Group, World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLim-ao, Nuno, और Anthony Venables. Infrastructure, Geographical Disadvantage and Transport Costs. Washington, D.C: Trade, Development Research Group, World Bank, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLim-ao, Nuno, और Anthony Venables. Infrastructure, Geographical Disadvantage and Transport Costs. Trade, Development Research Group, World Bank, 1999.
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