Não informado. (2008). Threatened Plants Newsletter. International Union for Conservation of Nature and Natural Resources.
Chicagoスタイル(17版)引用形式Não informado. Threatened Plants Newsletter. Kew, Inglaterra: International Union for Conservation of Nature and Natural Resources, 2008.
MLA(8版)引用形式Não informado. Threatened Plants Newsletter. International Union for Conservation of Nature and Natural Resources, 2008.
警告: この引用は必ずしも正確ではありません.