APA citiranje

National Research Council (U.S.). Transportation Research Board. (1979). Research problem statements. Transportation Research Board.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Transportation Research Board. Research Problem Statements. Washington, D.C: Transportation Research Board, 1979.

MLA citiranje

National Research Council (U.S.). Transportation Research Board. Research Problem Statements. Transportation Research Board, 1979.