Board, N. R. C. T. R. (1992). Safety research: Heavy vehicles, information systems and crash studies and methods. Washington, DC : National Academy Press.
Lua i Stíl Chicago (17ú heag.)Board, National Research Council. Transportation Research. Safety Research: Heavy Vehicles, Information Systems and Crash Studies and Methods. Washington, DC : National Academy Press, 1992.
Lua MLA (9ú heag.)Board, National Research Council. Transportation Research. Safety Research: Heavy Vehicles, Information Systems and Crash Studies and Methods. Washington, DC : National Academy Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.