Não informado. (1971). Kew Record of Taxonomic Literature Relating to Vascular Plants. Royal Botanic Gardens.
Chicago-Zitierstil (17. Ausg.)Não informado. Kew Record of Taxonomic Literature Relating to Vascular Plants. London: Royal Botanic Gardens, 1971.
MLA-Zitierstil (8. Ausg.)Não informado. Kew Record of Taxonomic Literature Relating to Vascular Plants. Royal Botanic Gardens, 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.