Das, B. M. (1998). Principles of geotechnical engineering (4a. ed.). International Thomson.
Chicago-čujuhus (17. p.)Das, Braja M. Principles of Geotechnical Engineering. 4a. ed. Boston: International Thomson, 1998.
MLA-čujuhus (9. p.)Das, Braja M. Principles of Geotechnical Engineering. 4a. ed. International Thomson, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.