CAMPBELL,J.S. (1981). PRINCIPLES OF MANUFACTURING MATERIALS AND PROCESSES. TATA MACGRAW HILL.
Lua i Stíl Chicago (17ú heag.)CAMPBELL,J.S. PRINCIPLES OF MANUFACTURING MATERIALS AND PROCESSES. NEW DELHI: TATA MACGRAW HILL, 1981.
Lua MLA (9ú heag.)CAMPBELL,J.S. PRINCIPLES OF MANUFACTURING MATERIALS AND PROCESSES. TATA MACGRAW HILL, 1981.
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