Henry, J. (2011). Snowshoes, coaches, and cross country skies: A brief history of Yellowstone winters. Roche Jaune Pictures, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHenry, Jeff. Snowshoes, Coaches, and Cross Country Skies: A Brief History of Yellowstone Winters. Emigrant, MT: Roche Jaune Pictures, Inc., 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHenry, Jeff. Snowshoes, Coaches, and Cross Country Skies: A Brief History of Yellowstone Winters. Roche Jaune Pictures, Inc., 2011.
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