D G E T. (1988). WELDING: THEORY & PRACTICE. TATA MAGRAW HILL.
Lua i Stíl Chicago (17ú heag.)D G E T. WELDING: THEORY & PRACTICE. TATA MAGRAW HILL, 1988.
Lua MLA (9ú heag.)D G E T. WELDING: THEORY & PRACTICE. TATA MAGRAW HILL, 1988.
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