Sinha,R.K. (2019). Mineral economics. CBS Publishers.
Chicago-čujuhus (17. p.)Sinha,R.K. Mineral Economics. CBS Publishers, 2019.
MLA-čujuhus (9. p.)Sinha,R.K. Mineral Economics. CBS Publishers, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.