Não informado. (1913). Bulletin of the Geological Survey of Southern Rhodesia. Rhodesia Geological Survey.
Chicago-Zitierstil (17. Ausg.)Não informado. Bulletin of the Geological Survey of Southern Rhodesia. Salisbury, Zimbabwe: Rhodesia Geological Survey, 1913.
MLA-Zitierstil (8. Ausg.)Não informado. Bulletin of the Geological Survey of Southern Rhodesia. Rhodesia Geological Survey, 1913.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.