United States Steel Corporation. Chemists' Committee. (1912). The methods of the United States steel corporation for the commercial sampling and analysis of pig iron. United States Steel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States Steel Corporation. Chemists' Committee. The Methods of the United States Steel Corporation for the Commercial Sampling and Analysis of Pig Iron. [S.l.: United States Steel, 1912.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States Steel Corporation. Chemists' Committee. The Methods of the United States Steel Corporation for the Commercial Sampling and Analysis of Pig Iron. United States Steel, 1912.
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