Varney, P. (2010). Ghost towns of the mountain West: Your guide to the hidden history and Old West haunts of Colorado, Wyoming, Idaho, Montana, Utah, and Nevada. Voyageur Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVarney, Philip. Ghost Towns of the Mountain West: Your Guide to the Hidden History and Old West Haunts of Colorado, Wyoming, Idaho, Montana, Utah, and Nevada. Minneapolis, Minn.: Voyageur Press, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVarney, Philip. Ghost Towns of the Mountain West: Your Guide to the Hidden History and Old West Haunts of Colorado, Wyoming, Idaho, Montana, Utah, and Nevada. Voyageur Press, 2010.
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