Brenner, K. (2020). Nature obscura: A city's hidden natural world. Mountaineers Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrenner, Kelly. Nature Obscura: A City's Hidden Natural World. Seattle, WA: Mountaineers Books, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrenner, Kelly. Nature Obscura: A City's Hidden Natural World. Mountaineers Books, 2020.
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