Jansson, J. O. (1980). Transport system optimization and pricing. Economic Research Institute at the Stockholm School of Economics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJansson, Jan Owen. Transport System Optimization and Pricing. Stockholm: Economic Research Institute at the Stockholm School of Economics, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJansson, Jan Owen. Transport System Optimization and Pricing. Economic Research Institute at the Stockholm School of Economics, 1980.
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