Indian Roads Congress. Highway Research Board. (1975). Highway research bulletin. IRC Highway Research Board.
Chicago-referens (17:e uppl.)Indian Roads Congress. Highway Research Board. Highway Research Bulletin. New Delhi: IRC Highway Research Board, 1975.
MLA-referens (8:e uppl.)Indian Roads Congress. Highway Research Board. Highway Research Bulletin. IRC Highway Research Board, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.