Verma, B. (2017). Engineering Geology and Rock Mechanics (04th.). Khanna Publisher.
Chicago-čujuhus (17. p.)Verma, B.P. Engineering Geology and Rock Mechanics. 04th. New Delhi: Khanna Publisher, 2017.
MLA-čujuhus (9. p.)Verma, B.P. Engineering Geology and Rock Mechanics. 04th. Khanna Publisher, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.