Não informado. (1963). Highway research record. National Research Council, Highway Research Board.
Chicago-referens (17:e uppl.)Não informado. Highway Research Record. Washington: National Research Council, Highway Research Board, 1963.
MLA-referens (8:e uppl.)Não informado. Highway Research Record. National Research Council, Highway Research Board, 1963.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.