Weaver, C. E. (1913). Geology and ore deposits of the Covada mining district. F.M. Lamborn, public printer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeaver, Charles E. Geology and Ore Deposits of the Covada Mining District. Olympia, Wash.: F.M. Lamborn, public printer, 1913.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWeaver, Charles E. Geology and Ore Deposits of the Covada Mining District. F.M. Lamborn, public printer, 1913.
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