Nearing, G. (1947). The lichen book: Handbook of the lichens of Northeastern United States ; 700 drawings by the author. E. Lundberg.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNearing, G.G. The Lichen Book: Handbook of the Lichens of Northeastern United States ; 700 Drawings by the Author. Ashton, Md: E. Lundberg, 1947.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNearing, G.G. The Lichen Book: Handbook of the Lichens of Northeastern United States ; 700 Drawings by the Author. E. Lundberg, 1947.
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