Hagler Bailly Services, Inc, Morpace International, National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, & National Research Council (U.S.). Transportation Research Board. (1999). Guidance for communicating the economic impacts of transportation investments. National Academy Press.
Chicago-viite (17. p.)Hagler Bailly Services, Inc, Morpace International, National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, ja National Research Council (U.S.). Transportation Research Board. Guidance for Communicating the Economic Impacts of Transportation Investments. Washington, D.C: National Academy Press, 1999.
MLA-viite (9. p.)Hagler Bailly Services, Inc, et al. Guidance for Communicating the Economic Impacts of Transportation Investments. National Academy Press, 1999.