Wheeler, W. "Tongues i'll hang on every tree": Biosemitoics and the book of nature / Wendy Wheeler. The Cambridge companion to literature and the environment.(2014).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWheeler, Wendy. ""Tongues I'll Hang on Every Tree": Biosemitoics and the Book of Nature / Wendy Wheeler." The Cambridge Companion to Literature and the Environment.(2014) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रWheeler, Wendy. ""Tongues I'll Hang on Every Tree": Biosemitoics and the Book of Nature / Wendy Wheeler." The Cambridge Companion to Literature and the Environment.(2014), .
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