Não informado. (1987). Miscellaneous Publications of the University of Utrecht Herbarium. University of Utrecht, Institute of Systematic Botany.
Lua i Stíl Chicago (17ú heag.)Não informado. Miscellaneous Publications of the University of Utrecht Herbarium. Utrecht, Holanda: University of Utrecht, Institute of Systematic Botany, 1987.
Lua MLA (8ú heag.)Não informado. Miscellaneous Publications of the University of Utrecht Herbarium. University of Utrecht, Institute of Systematic Botany, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.