American Association of State Highway Officials\nNational Academies of Sciences, Engineering and Medicine (U.S.), Transportation Research Board. (1964). Report. Highway Research Board, Division of Engineering and Industrial Research.
Lua i Stíl Chicago (17ú heag.)American Association of State Highway Officials\nNational Academies of Sciences, Engineering and Medicine (U.S.), Transportation Research Board. Report. Washington: Highway Research Board, Division of Engineering and Industrial Research, 1964.
Lua MLA (8ú heag.)American Association of State Highway Officials\nNational Academies of Sciences, Engineering and Medicine (U.S.), Transportation Research Board. Report. Highway Research Board, Division of Engineering and Industrial Research, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.