Lang, W. L. (1995). Stories from an open country: Essays on the Yellowstone River Valley. Western Heritage Press ; Distributed by University of Washington Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLang, William L. Stories from an Open Country: Essays on the Yellowstone River Valley. Billings, Mont. : Seattle: Western Heritage Press ; Distributed by University of Washington Press, 1995.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLang, William L. Stories from an Open Country: Essays on the Yellowstone River Valley. Western Heritage Press ; Distributed by University of Washington Press, 1995.
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