GUPTA, B. G. (2014). Highway and bridge engineering. Standard Publishers.
Chicago-čujuhus (17. p.)GUPTA, B.L. Gupta. Highway and Bridge Engineering. Standard Publishers, 2014.
MLA-čujuhus (9. p.)GUPTA, B.L. Gupta. Highway and Bridge Engineering. Standard Publishers, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.