Não informado. (1978). Monographs in Systematic Botany from the Missouri Botanical Garden. Missouri Botanical Garden.
Lua i Stíl Chicago (17ú heag.)Não informado. Monographs in Systematic Botany from the Missouri Botanical Garden. Saint Louis, Mo: Missouri Botanical Garden, 1978.
Lua MLA (8ú heag.)Não informado. Monographs in Systematic Botany from the Missouri Botanical Garden. Missouri Botanical Garden, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.