United States. Federal Highway Administration, National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, & Plaxico, C. A. (2005). Recommended guidelines for curb and curb-barrier installations. Transportation Research Board.
Chicago-referens (17:e uppl.)United States. Federal Highway Administration, National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials, och Chuck A. Plaxico. Recommended Guidelines for Curb and Curb-barrier Installations. Washington, D.C: Transportation Research Board, 2005.
MLA-referens (9:e uppl.)United States. Federal Highway Administration, et al. Recommended Guidelines for Curb and Curb-barrier Installations. Transportation Research Board, 2005.