Linnean Society of London, Jermy, A. C., Crabbe, J. A., & Thomas, B. A. (1973). The Phylogeny and classification of the ferns: A. C. Jermy, J. A. Crabbe [and] B. A. Thomas. published for the Linnean Society of London by Academic Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLinnean Society of London, A. C. Jermy, J. A. Crabbe, और Barry A. Thomas. The Phylogeny and Classification of the Ferns: A. C. Jermy, J. A. Crabbe [and] B. A. Thomas. London: published for the Linnean Society of London by Academic Press, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLinnean Society of London, et al. The Phylogeny and Classification of the Ferns: A. C. Jermy, J. A. Crabbe [and] B. A. Thomas. published for the Linnean Society of London by Academic Press, 1973.
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