Não informado. (1915). Journal of the Botanical Society of South Africa. Botanical Society of South Africa.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of the Botanical Society of South Africa. Cape Town, Africa do Sul: Botanical Society of South Africa, 1915.
Lua MLA (8ú heag.)Não informado. Journal of the Botanical Society of South Africa. Botanical Society of South Africa, 1915.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.