National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, & Texas Transportation Institute. (1999). Conversion of AASHTO documents to metric units. Transportation Research Board, National Research Council.
Chicago Style (17th ed.) CitationNational Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, and Texas Transportation Institute. Conversion of AASHTO Documents to Metric Units. Washington, D.C: Transportation Research Board, National Research Council, 1999.
MLA citiranjeNational Research Council (U.S.). Transportation Research Board, et al. Conversion of AASHTO Documents to Metric Units. Transportation Research Board, National Research Council, 1999.