Indian Roads Congress. Highway Research Board. Highway research record. IRC Highway Research Board.
Lua i Stíl Chicago (17ú heag.)Indian Roads Congress. Highway Research Board. Highway Research Record. New Delhi: IRC Highway Research Board.
Lua MLA (8ú heag.)Indian Roads Congress. Highway Research Board. Highway Research Record. IRC Highway Research Board.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.