. (1973). SME mining engineering handbook Volume 1 (Sumb dari Ir. Rachman Wiriasudarma). The American Institute of Mining, Metallurgical, and Petroleum Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSME Mining Engineering Handbook Volume 1 (Sumb Dari Ir. Rachman Wiriasudarma). The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSME Mining Engineering Handbook Volume 1 (Sumb Dari Ir. Rachman Wiriasudarma). The American Institute of Mining, Metallurgical, and Petroleum Engineers, 1973.
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