Birkby, J. (2020). Touring hot springs Montana and Wyoming: The states' best resorts and rustic soaks (Third edition.). FalconGuides.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBirkby, Jeff. Touring Hot Springs Montana and Wyoming: The States' Best Resorts and Rustic Soaks. Third edition. Guilford, Connecticut: FalconGuides, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBirkby, Jeff. Touring Hot Springs Montana and Wyoming: The States' Best Resorts and Rustic Soaks. Third edition. FalconGuides, 2020.
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