Dunphy, R. T., & Griffiths, R. E. (1981). The first four years of metrorail: Travel changes : a metrorail before-and-after study report. Washington: U.S. Departamento of Transportation.
Chicago Style CitationDunphy, Roberto T., and Robert E. Griffiths. The First Four Years of Metrorail: Travel Changes : A Metrorail Before-and-after Study Report. Washington: U.S. Departamento of Transportation, 1981.
MLA CitationDunphy, Roberto T., and Robert E. Griffiths. The First Four Years of Metrorail: Travel Changes : A Metrorail Before-and-after Study Report. Washington: U.S. Departamento of Transportation, 1981.
Warning: These citations may not always be 100% accurate.