Cumming, J. (2012). Mining explained: A Layperson's guide (11a. ed.). The Northern Miner.
Chicago-čujuhus (17. p.)Cumming, John. Mining Explained: A Layperson's Guide. 11a. ed. Toronto: The Northern Miner, 2012.
MLA-čujuhus (9. p.)Cumming, John. Mining Explained: A Layperson's Guide. 11a. ed. The Northern Miner, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.