BHATT N D. (2005). ENGINEERING DRAWING PLANE AND SOLID GEOMETRY (48TH ED.). CHAROTAR PUBLISHING HOUSE.
Cita Chicago (17th ed.)BHATT N D. ENGINEERING DRAWING PLANE AND SOLID GEOMETRY. 48TH ED. ANAND: CHAROTAR PUBLISHING HOUSE, 2005.
Cita MLA (9th ed.)BHATT N D. ENGINEERING DRAWING PLANE AND SOLID GEOMETRY. 48TH ED. CHAROTAR PUBLISHING HOUSE, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.