Litton, E., & Jackson, S. (2023). Hiking hot springs in the Pacific Northwest: A guide to the area's best backcountry hot springs (6th edition.). FalconGuides.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLitton, Evie, और Sally Jackson. Hiking Hot Springs in the Pacific Northwest: A Guide to the Area's Best Backcountry Hot Springs. 6th edition. Guilford, Conn.: FalconGuides, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLitton, Evie, और Sally Jackson. Hiking Hot Springs in the Pacific Northwest: A Guide to the Area's Best Backcountry Hot Springs. 6th edition. FalconGuides, 2023.
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