Não informado. (1962). South African Forestry Journal. South African Forestry Association.
Lua i Stíl Chicago (17ú heag.)Não informado. South African Forestry Journal. Pretoria, Africa do Sul: South African Forestry Association, 1962.
Lua MLA (8ú heag.)Não informado. South African Forestry Journal. South African Forestry Association, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.