Não informado. (1913). Bulletin of the Geological Survey of Southern Rhodesia. Rhodesia Geological Survey.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the Geological Survey of Southern Rhodesia. Salisbury, Zimbabwe: Rhodesia Geological Survey, 1913.
Lua MLA (8ú heag.)Não informado. Bulletin of the Geological Survey of Southern Rhodesia. Rhodesia Geological Survey, 1913.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.