Não informado. (1903). South African Journal of Science. Associated Scientific & Technical Societies of South Africa.
Lua i Stíl Chicago (17ú heag.)Não informado. South African Journal of Science. Johannesburg, Africa do Sul: Associated Scientific & Technical Societies of South Africa, 1903.
Lua MLA (8ú heag.)Não informado. South African Journal of Science. Associated Scientific & Technical Societies of South Africa, 1903.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.