Não informado. (1938). Journal of the South African Forestry Association. South African Forestry Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of the South African Forestry Association. Pretoria, Africa do Sul: South African Forestry Association, 1938.
Lua MLA (8ú heag.)Não informado. Journal of the South African Forestry Association. South African Forestry Association, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.