Cumming, J. (2012). Mining explained: A Layperson's guide (11a. ed.). The Northern Miner.
Chicago Style (17th ed.) CitationCumming, John. Mining Explained: A Layperson's Guide. 11a. ed. Toronto: The Northern Miner, 2012.
ציטוט MLACumming, John. Mining Explained: A Layperson's Guide. 11a. ed. The Northern Miner, 2012.
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