Ellis, R. D. P., Amos, S. J., & Kumar, A. (2003). Illumination guidelines for nighttime highway work. Transportation Research Board, National Research Council.
Chicago-viite (17. p.)Ellis, Ralph D. Ph.D, Scott J. Amos, ja Ashish Kumar. Illumination Guidelines for Nighttime Highway Work. Washington, D.C: Transportation Research Board, National Research Council, 2003.
MLA-viite (9. p.)Ellis, Ralph D. Ph.D, et al. Illumination Guidelines for Nighttime Highway Work. Transportation Research Board, National Research Council, 2003.
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