National Research Council (U.S.). Committee on National Statistics, ebrary, Inc, Workshop on Key Transportation Indicators, Casey, J., & Norwood, J. L. (2002). Key transportation indicators: Summary of a workshop. National Academy Press.
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Chicago-čujuhus (17. p.)
National Research Council (U.S.). Committee on National Statistics, Inc ebrary, Workshop on Key Transportation Indicators, Jamie Casey, juo Janet Lippe Norwood. Key Transportation Indicators: Summary of a Workshop. Washington, D.C.: National Academy Press, 2002.
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MLA-čujuhus (9. p.)
National Research Council (U.S.). Committee on National Statistics, et al. Key Transportation Indicators: Summary of a Workshop. National Academy Press, 2002.
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