Não informado. (1971). Kew Record of Taxonomic Literature Relating to Vascular Plants. Royal Botanic Gardens.
Chicago Style (17. basım) AtıfNão informado. Kew Record of Taxonomic Literature Relating to Vascular Plants. London: Royal Botanic Gardens, 1971.
MLA (8th ed.) AtıfNão informado. Kew Record of Taxonomic Literature Relating to Vascular Plants. Royal Botanic Gardens, 1971.
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