Lua APA (7ú heag.)

National Research Council (U.S.). Transportation Research Board. Committee on Safety Appurtenances. (1984). Operational and maintenance problems with highway safety appurtenances. Transportation Research Board, National Academy of Sciences.

Lua i Stíl Chicago (17ú heag.)

National Research Council (U.S.). Transportation Research Board. Committee on Safety Appurtenances. Operational and Maintenance Problems with Highway Safety Appurtenances. Washington, DC: Transportation Research Board, National Academy of Sciences, 1984.

Lua MLA (9ú heag.)

National Research Council (U.S.). Transportation Research Board. Committee on Safety Appurtenances. Operational and Maintenance Problems with Highway Safety Appurtenances. Transportation Research Board, National Academy of Sciences, 1984.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.