Sawyer, A. (2026). Hiking Waterfalls Oregon: A Guide to the State's Best Waterfall Hikes. Falcon Press Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSawyer, Adam. Hiking Waterfalls Oregon: A Guide to the State's Best Waterfall Hikes. Falcon Press Publishing, 2026.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSawyer, Adam. Hiking Waterfalls Oregon: A Guide to the State's Best Waterfall Hikes. Falcon Press Publishing, 2026.
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