Craig, J. W. (2001). Engineering and technical drawing using IronCAD: IronCAD V4.2 (Second edition.). Schroff Development corporation.
Cita Chicago (17th ed.)Craig, Jerry W. Engineering and Technical Drawing Using IronCAD: IronCAD V4.2. Second edition. [Mission, Kan.?]: Schroff Development corporation, 2001.
Cita MLA (8th ed.)Craig, Jerry W. Engineering and Technical Drawing Using IronCAD: IronCAD V4.2. Second edition. Schroff Development corporation, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.