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.
Čikaški stil citiranja (17. izdanje)United 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.
MLA način citiranja (8. izdanje)United 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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