Box, P. C., & Oppenlander, J. C. (1976). Manual of traffic engineering studies (4a. ed.). Institute of Transportation Engineers.
Chicago Style (17th ed.) ZitazioaBox, Paul C., eta Joseph C. Oppenlander. Manual of Traffic Engineering Studies. 4a. ed. Arlington: Institute of Transportation Engineers, 1976.
MLA (9th ed.) ZitazioaBox, Paul C., eta Joseph C. Oppenlander. Manual of Traffic Engineering Studies. 4a. ed. Institute of Transportation Engineers, 1976.
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