LUZADDER WARREN. (2011). FUNDAMENTALS OF ENGINEERING DRAWING (11TH ED.). PHI.
Lua i Stíl Chicago (17ú heag.)LUZADDER WARREN. FUNDAMENTALS OF ENGINEERING DRAWING. 11TH ED. NEW DELHI: PHI, 2011.
Lua MLA (9ú heag.)LUZADDER WARREN. FUNDAMENTALS OF ENGINEERING DRAWING. 11TH ED. PHI, 2011.
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