Chittenden, H. M. (1905). The Yellowstone national park, historical and descriptive (5th ed.). The R. Clarke company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChittenden, Hiram Martin. The Yellowstone National Park, Historical and Descriptive. 5th ed. Cincinnati: The R. Clarke company, 1905.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChittenden, Hiram Martin. The Yellowstone National Park, Historical and Descriptive. 5th ed. The R. Clarke company, 1905.
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