Rhodesia Geological Survey. (1960). Report of the Director of Geological Survey. The Survey.
Chicago-referens (17:e uppl.)Rhodesia Geological Survey. Report of the Director of Geological Survey. Salisbury: The Survey, 1960.
MLA-referens (8:e uppl.)Rhodesia Geological Survey. Report of the Director of Geological Survey. The Survey, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.