Jansson, J. O. (1980). Transport system optimization and pricing. Economic Research Institute at the Stockholm School of Economics.
Chicago-čujuhus (17. p.)Jansson, Jan Owen. Transport System Optimization and Pricing. Stockholm: Economic Research Institute at the Stockholm School of Economics, 1980.
MLA-čujuhus (9. p.)Jansson, Jan Owen. Transport System Optimization and Pricing. Economic Research Institute at the Stockholm School of Economics, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.