National Research Council (U.S.). Highway Research Board. (1973). Transit planning and development: 7 reports prepared for the 52nd annual meeting. National Academy of Science - National Research Council.
Chicago-viite (17. p.)National Research Council (U.S.). Highway Research Board. Transit Planning and Development: 7 Reports Prepared for the 52nd Annual Meeting. Washington, D.C: National Academy of Science - National Research Council, 1973.
MLA-viite (9. p.)National Research Council (U.S.). Highway Research Board. Transit Planning and Development: 7 Reports Prepared for the 52nd Annual Meeting. National Academy of Science - National Research Council, 1973.
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