Transportation Research Board. (1994). Highway capacity manual: Special report 209 (3a. ed.). National Research Council.
Cita Chicago (17th ed.)Transportation Research Board. Highway Capacity Manual: Special Report 209. 3a. ed. Washington, D.C: National Research Council, 1994.
Cita MLA (9th ed.)Transportation Research Board. Highway Capacity Manual: Special Report 209. 3a. ed. National Research Council, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.