Transvaal (Colony). Geological Survey & Transvaal (Colony). Mines Dept. Report of the Geological Survey for the year ... Govt. Print. and Stationery Office.
Chicagoスタイル(17版)引用形式Transvaal (Colony). Geological Survey , Transvaal (Colony). Mines Dept. Report of the Geological Survey for the Year ... Pretoria: Govt. Print. and Stationery Office.
MLA(8版)引用形式Transvaal (Colony). Geological Survey , Transvaal (Colony). Mines Dept. Report of the Geological Survey for the Year ... Govt. Print. and Stationery Office.
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