Griswold, G., & Larom, D. (1954). The Hell Gate survey: A preliminary archaeological reconnaissance of the Hell Gate Canyon area, Montana. Montana State University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGriswold, Gillett, और Dave Larom. The Hell Gate Survey: A Preliminary Archaeological Reconnaissance of the Hell Gate Canyon Area, Montana. Missoula, Mont.: Montana State University, 1954.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGriswold, Gillett, और Dave Larom. The Hell Gate Survey: A Preliminary Archaeological Reconnaissance of the Hell Gate Canyon Area, Montana. Montana State University, 1954.
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