National Research Council (U.S.). Highway Research Board. (1954). Highway accidents and related factors: Presented at the Thirty-third Annual Meeting, January 12-15, 1954. Highway Research Board.
Lua i Stíl Chicago (17ú heag.)National Research Council (U.S.). Highway Research Board. Highway Accidents and Related Factors: Presented at the Thirty-third Annual Meeting, January 12-15, 1954. Washington: Highway Research Board, 1954.
Lua MLA (9ú heag.)National Research Council (U.S.). Highway Research Board. Highway Accidents and Related Factors: Presented at the Thirty-third Annual Meeting, January 12-15, 1954. Highway Research Board, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.