Highway Research Board. (1965). Highway capacity manual 1965. Highway Research Board.
Cita Chicago (17th ed.)Highway Research Board. Highway Capacity Manual 1965. Washington, D.C: Highway Research Board, 1965.
Cita MLA (9th ed.)Highway Research Board. Highway Capacity Manual 1965. Highway Research Board, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.