(1944). Lead deposits in the Union of South Africa and South West Africa: With some notes on associated ores.
Chicago-Zitierstil (17. Ausg.)Lead Deposits in the Union of South Africa and South West Africa: With Some Notes on Associated Ores. Pretoria, 1944.
MLA-Zitierstil (9. Ausg.)Lead Deposits in the Union of South Africa and South West Africa: With Some Notes on Associated Ores. 1944.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.