GOETSCH, D. L. (1991). Modern Manufacturing Process David L. Goetsch. Delmar.
Lua i Stíl Chicago (17ú heag.)GOETSCH, David L. Modern Manufacturing Process David L. Goetsch. Delmar, 1991.
Lua MLA (8ú heag.)GOETSCH, David L. Modern Manufacturing Process David L. Goetsch. Delmar, 1991.
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