Não informado. (2008). Threatened Plants Newsletter. International Union for Conservation of Nature and Natural Resources.
Čikaški stil citiranja (17. izdanje)Não informado. Threatened Plants Newsletter. Kew, Inglaterra: International Union for Conservation of Nature and Natural Resources, 2008.
MLA način citiranja (8. izdanje)Não informado. Threatened Plants Newsletter. International Union for Conservation of Nature and Natural Resources, 2008.
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