Mathews, D. (2024). Rocky Mountain field guide: A trailside natural history (First edition.). Mountaineers Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMathews, Daniel. Rocky Mountain Field Guide: A Trailside Natural History. First edition. Seattle, WA: Mountaineers Books, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMathews, Daniel. Rocky Mountain Field Guide: A Trailside Natural History. First edition. Mountaineers Books, 2024.
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