California. Division of Highways, California. Division of Traffic Engineering, California. Office of Traffic Engineering, California. Office of Traffic, & United States. Bureau of Public Roads. (1968). Traffic volumes on the California state highway system. The Division.
Citace podle Chicago (17th ed.)California. Division of Highways, California. Division of Traffic Engineering, California. Office of Traffic Engineering, California. Office of Traffic, a United States. Bureau of Public Roads. Traffic Volumes on the California State Highway System. Sacramento, Calif: The Division, 1968.
Citace podle MLA (9th ed.)California. Division of Highways, et al. Traffic Volumes on the California State Highway System. The Division, 1968.
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