Feirer, J. L. (1986). General metals (6a. ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Feirer, John L. General Metals. 6a. ed. Nueva York: McGraw-Hill, 1986.
Lua MLA (9ú heag.)Feirer, John L. General Metals. 6a. ed. McGraw-Hill, 1986.
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