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.
Čikaški stil citiranja (17. izdanje)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.
MLA način citiranja (9. izdanje)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.