DAS Braja M. (2018). Introduction to geotechnical engineering. Cengage Learning.
Chicago-čujuhus (17. p.)DAS Braja M. Introduction to Geotechnical Engineering. Cengage Learning, 2018.
MLA-čujuhus (9. p.)DAS Braja M. Introduction to Geotechnical Engineering. Cengage Learning, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.