Pearson, D. W. (1996). This was mining in the west. Schiffer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPearson, David W. This Was Mining in the West. Atglen, Pa.: Schiffer, 1996.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPearson, David W. This Was Mining in the West. Schiffer, 1996.
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