Não informado. (2008). Threatened Plants Newsletter. International Union for Conservation of Nature and Natural Resources.
Style de citation Chicago (17e éd.)Não informado. Threatened Plants Newsletter. Kew, Inglaterra: International Union for Conservation of Nature and Natural Resources, 2008.
Style de citation MLA (8e éd.)Não informado. Threatened Plants Newsletter. International Union for Conservation of Nature and Natural Resources, 2008.
Attention : ces citations peuvent ne pas être correctes à 100%.