United States. Mine Safety and Health Administration. (1979). Injury experience in nonmetallic mineral mining (except stone and coal). The Administration.
Čikaški stil citiranja (17. izdanje)United States. Mine Safety and Health Administration. Injury Experience in Nonmetallic Mineral Mining (except Stone and Coal). [Arlington, Va.?]: The Administration, 1979.
MLA način citiranja (8. izdanje)United States. Mine Safety and Health Administration. Injury Experience in Nonmetallic Mineral Mining (except Stone and Coal). The Administration, 1979.
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