Das Braja M., S. (2019). Principles of Geotechnical Engineering (9th.). Cengage Publication.
Chicago-čujuhus (17. p.)Das Braja M., Sobham. Principles of Geotechnical Engineering. 9th. New Delhi: Cengage Publication, 2019.
MLA-čujuhus (9. p.)Das Braja M., Sobham. Principles of Geotechnical Engineering. 9th. Cengage Publication, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.