BHATT, N. D. (1993). ENGINEERING DRAWING. CHAROTAR.
Cita Chicago (17th ed.)BHATT, N D. ENGINEERING DRAWING. INDIANA: CHAROTAR, 1993.
Cita MLA (9th ed.)BHATT, N D. ENGINEERING DRAWING. CHAROTAR, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.