National Research Council (U.S.). Transportation Research Board. (1993). Nonmotorized transportation research and issues: Operations and safety; planning and administration. National Academy Press.
Citação norma ChicagoNational Research Council (U.S.). Transportation Research Board. Nonmotorized Transportation Research and Issues: Operations and Safety; Planning and Administration. Washington, D.C: National Academy Press, 1993.
Citação norma MLANational Research Council (U.S.). Transportation Research Board. Nonmotorized Transportation Research and Issues: Operations and Safety; Planning and Administration. National Academy Press, 1993.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.