APA (7 वां संस्करण) प्रशस्ति पत्र

United States. Forest Service. Pacific Northwest Region. (1975). Steamboatin' on the Snake. U.S. Forest Service, Wallowa-Whitman National Forest.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

United States. Forest Service. Pacific Northwest Region. Steamboatin' on the Snake. Baker, Or.: U.S. Forest Service, Wallowa-Whitman National Forest, 1975.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

United States. Forest Service. Pacific Northwest Region. Steamboatin' on the Snake. U.S. Forest Service, Wallowa-Whitman National Forest, 1975.

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