Manning, H., & O'Hara, P. (1984). Washington wilderness: The unfinished work. The Mountaineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रManning, Harvey, और Pat O'Hara. Washington Wilderness: The Unfinished Work. Seattle: The Mountaineers, 1984.
एमएलए (8वां संस्करण) प्रशस्ति पत्रManning, Harvey, और Pat O'Hara. Washington Wilderness: The Unfinished Work. The Mountaineers, 1984.
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