Gaya APA

Leonard, , D. (1974). Loads and vibrations caused by eight commercial vehicles with gross weights exceeding 32 tons (32.5 Mg) . : TRRL.

Gaya MLA

Leonard, , D.R. "Loads and vibrations caused by eight commercial vehicles with gross weights exceeding 32 tons (32.5 Mg)". : TRRL, 1974. Chart.