Siburi, P. L. (2009). Evaluasi teknis Penggunaan Shotcrete Di Draw Point ( NFD ) Panel 1A Deep Ore Zone ( DOZ ) Underground PT. Freeport Indonesia Tembagapura Propinsi Papua. STTNAS.
Chicago Style (17th ed.) CitationSiburi, Pieter Lodewik. Evaluasi Teknis Penggunaan Shotcrete Di Draw Point ( NFD ) Panel 1A Deep Ore Zone ( DOZ ) Underground PT. Freeport Indonesia Tembagapura Propinsi Papua. STTNAS, 2009.
MLA (8th ed.) CitationSiburi, Pieter Lodewik. Evaluasi Teknis Penggunaan Shotcrete Di Draw Point ( NFD ) Panel 1A Deep Ore Zone ( DOZ ) Underground PT. Freeport Indonesia Tembagapura Propinsi Papua. STTNAS, 2009.
Warning: These citations may not always be 100% accurate.