Rao, U. G. K. (1959). Soil mechanics for railway engineers. Railway Testing and Research Centre.
Chicago-referens (17:e uppl.)Rao, U. G. K. Soil Mechanics for Railway Engineers. Lucknow: Railway Testing and Research Centre, 1959.
MLA-referens (8:e uppl.)Rao, U. G. K. Soil Mechanics for Railway Engineers. Railway Testing and Research Centre, 1959.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.