Das, B. M. (1985). Principles of geotechnical engineering. PWS -kent.
Chicago-čujuhus (17. p.)Das, Braja M. Principles of Geotechnical Engineering. Boston Mass: PWS -kent, 1985.
MLA-čujuhus (9. p.)Das, Braja M. Principles of Geotechnical Engineering. PWS -kent, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.