National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, Texas Transportation Institute, Mace, D. J., Finkle, M., & Pennak, S. (2001). Guidelines for the effective use and procurement of advanced warning arrow panels. Transportation Research Board, National Research Council.
Citação norma ChicagoNational Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, Texas Transportation Institute, Douglas J. Mace, Mark Finkle, and Sara Pennak. Guidelines for the Effective Use and Procurement of Advanced Warning Arrow Panels. Washington, D.C: Transportation Research Board, National Research Council, 2001.
Citação norma MLANational Research Council (U.S.). Transportation Research Board, et al. Guidelines for the Effective Use and Procurement of Advanced Warning Arrow Panels. Transportation Research Board, National Research Council, 2001.