United States. Forest Service. (2018). Colville National Forest land management plan: Ferry. Pend Oreille, and Stevens Counties, Washington. maps.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Forest Service. Colville National Forest Land Management Plan: Ferry. Pend Oreille, and Stevens Counties, Washington. Colville, Washington: maps, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Forest Service. Colville National Forest Land Management Plan: Ferry. Pend Oreille, and Stevens Counties, Washington. maps, 2018.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.