APA (7 वां संस्करण) प्रशस्ति पत्र

United States. National Park Service. Division of Publications. (1986). North Cascades: A guide to the North Cascades National Park Service complex, Washington. U.S. Dept. of the Interior.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

United States. National Park Service. Division of Publications. North Cascades: A Guide to the North Cascades National Park Service Complex, Washington. Washington, D.C.: U.S. Dept. of the Interior, 1986.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

United States. National Park Service. Division of Publications. North Cascades: A Guide to the North Cascades National Park Service Complex, Washington. U.S. Dept. of the Interior, 1986.

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