Não informado. (2003). South African mining, coal, gold & base minerals. Thomson Publication.
Chicago Style (17th ed.) CitationNão informado. South African Mining, Coal, Gold & Base Minerals. Johannesburg, Africa do Sul: Thomson Publication, 2003.
MLA (8th ed.) CitationNão informado. South African Mining, Coal, Gold & Base Minerals. Thomson Publication, 2003.
Warning: These citations may not always be 100% accurate.