National Research Council (U.S.). Highway Research Board. (1958). Pavement performance: Methods for evaluation : presented at the Thirty-seventh Annual Meeting, January 6-10, 1958. Highway Research Board.
Lua i Stíl Chicago (17ú heag.)National Research Council (U.S.). Highway Research Board. Pavement Performance: Methods for Evaluation : Presented at the Thirty-seventh Annual Meeting, January 6-10, 1958. Washington: Highway Research Board, 1958.
Lua MLA (9ú heag.)National Research Council (U.S.). Highway Research Board. Pavement Performance: Methods for Evaluation : Presented at the Thirty-seventh Annual Meeting, January 6-10, 1958. Highway Research Board, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.