SINGH, G. (1978). Highway engineering (for degree, diploma, and A.M.I.E.and field engineers). Standard publishers.
Chicago-referens (17:e uppl.)SINGH, Gurcharn. Highway Engineering (for Degree, Diploma, and A.M.I.E.and Field Engineers). New Delhi: Standard publishers, 1978.
MLA-referens (9:e uppl.)SINGH, Gurcharn. Highway Engineering (for Degree, Diploma, and A.M.I.E.and Field Engineers). Standard publishers, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.