(1990). A survey of recent estimates of price elasticities of demand for transport. Washington, DC: The World Bank.
Citación estilo ChicagoA Survey of Recent Estimates of Price Elasticities of Demand for Transport. Washington, DC: The World Bank, 1990.
Cita MLAA Survey of Recent Estimates of Price Elasticities of Demand for Transport. Washington, DC: The World Bank, 1990.
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