Não informado. (1963). 33: Magazine of the metals producing industry. McGraw-Hill.
Chicago-viite (17. p.)Não informado. 33: Magazine of the Metals Producing Industry. New York: McGraw-Hill, 1963.
MLA-viite (8. p.)Não informado. 33: Magazine of the Metals Producing Industry. McGraw-Hill, 1963.
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