Scheer, R. (2019). Hiking waterfalls Washington: A guide to the state's best waterfall hikes (Second Edition.). FalconGuides.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रScheer, Roddy. Hiking Waterfalls Washington: A Guide to the State's Best Waterfall Hikes. Second Edition. Guilford, Connecticut: FalconGuides, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रScheer, Roddy. Hiking Waterfalls Washington: A Guide to the State's Best Waterfall Hikes. Second Edition. FalconGuides, 2019.
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