San Miguel, A. F. (1963). Direct reduction of pyrite cinder to produce sponge iron. Department of Agriculture and Natural Resources, Bureau of Mines.
Chicago Style (17th ed.) CitationSan Miguel, Alfredo F. Direct Reduction of Pyrite Cinder to Produce Sponge Iron. Manila: Department of Agriculture and Natural Resources, Bureau of Mines, 1963.
MLA (9th ed.) CitationSan Miguel, Alfredo F. Direct Reduction of Pyrite Cinder to Produce Sponge Iron. Department of Agriculture and Natural Resources, Bureau of Mines, 1963.
Warning: These citations may not always be 100% accurate.