Jansson, J. O. (1980). Transport system optimization and pricing. Economic Research Institute at the Stockholm School of Economics.
Lua i Stíl Chicago (17ú heag.)Jansson, Jan Owen. Transport System Optimization and Pricing. Stockholm: Economic Research Institute at the Stockholm School of Economics, 1980.
Lua MLA (9ú heag.)Jansson, Jan Owen. Transport System Optimization and Pricing. Economic Research Institute at the Stockholm School of Economics, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.