Não informado. (2008). Trees in South Africa. Tree Society of Southern Africa.
Lua i Stíl Chicago (17ú heag.)Não informado. Trees in South Africa. Johannesburg, Africa do Sul: Tree Society of Southern Africa, 2008.
Lua MLA (8ú heag.)Não informado. Trees in South Africa. Tree Society of Southern Africa, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.