Weed, W. H. (1912). Geology and ore deposits of the Butte district, Montana. Govt. Print. Off..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeed, Walter Harvey. Geology and Ore Deposits of the Butte District, Montana. Washington: Govt. Print. Off., 1912.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWeed, Walter Harvey. Geology and Ore Deposits of the Butte District, Montana. Govt. Print. Off., 1912.
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