Depue, L. (2003). Safety management systems: A synthesis of highway practice. Transportation Research Board, National Research Council.
Chicago-viite (17. p.)Depue, Leanna. Safety Management Systems: A Synthesis of Highway Practice. Washington, D.C: Transportation Research Board, National Research Council, 2003.
MLA-viite (9. p.)Depue, Leanna. Safety Management Systems: A Synthesis of Highway Practice. Transportation Research Board, National Research Council, 2003.
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