National Research Council (U.S.). Transportation Research Board. Committee on Hydrology, Hydraulics and Water Quality. (1993). Research problem statements: Hydrology, hydraulics and water quality. Transportation Research Board, National Research Council.
Style de citation Chicago (17e éd.)National Research Council (U.S.). Transportation Research Board. Committee on Hydrology, Hydraulics and Water Quality. Research Problem Statements: Hydrology, Hydraulics and Water Quality. Washington, D.C: Transportation Research Board, National Research Council, 1993.
Style de citation MLA (9e éd.)National Research Council (U.S.). Transportation Research Board. Committee on Hydrology, Hydraulics and Water Quality. Research Problem Statements: Hydrology, Hydraulics and Water Quality. Transportation Research Board, National Research Council, 1993.