Transvaal (Colony). Geological Survey & Transvaal (Colony). Mines Dept. Report of the Geological Survey for the year ... Govt. Print. and Stationery Office.
Citación estilo ChicagoTransvaal (Colony). Geological Survey and Transvaal (Colony). Mines Dept. Report of the Geological Survey for the Year ... Pretoria: Govt. Print. and Stationery Office.
Cita MLATransvaal (Colony). Geological Survey and Transvaal (Colony). Mines Dept. Report of the Geological Survey for the Year ... Govt. Print. and Stationery Office.
Warning: These citations may not always be 100% accurate.