United States. Federal Highway Administration. Office of Research, United States. Federal Highway Administration. Office of Development, & Selig, E. T. (1977). Review of the design and construction of long-span, corrugated-metal, buried conduits. Dept. of Transportation, Federal Highway Administration, Office of Research and Development.
Chicago Style (17th ed.) CitationUnited States. Federal Highway Administration. Office of Research, United States. Federal Highway Administration. Office of Development, and E. T. Selig. Review of the Design and Construction of Long-span, Corrugated-metal, Buried Conduits. Washington : Springfield, Va. : For sale by the National Technical Information Service: Dept. of Transportation, Federal Highway Administration, Office of Research and Development, 1977.
MLA (9th ed.) CitationUnited States. Federal Highway Administration. Office of Research, et al. Review of the Design and Construction of Long-span, Corrugated-metal, Buried Conduits. Dept. of Transportation, Federal Highway Administration, Office of Research and Development, 1977.